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+<li><a href="../../../../../../org/apache/commons/math3/stat/descriptive/AggregateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../../../../org/apache/commons/math3/stat/descriptive/MultivariateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><span class="strong">Next Class</span></a></li>
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.commons.math3.stat.descriptive</div>
+<h2 title="Class DescriptiveStatistics" class="title">Class DescriptiveStatistics</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
+<li>
+<ul class="inheritance">
+<li>org.apache.commons.math3.stat.descriptive.DescriptiveStatistics</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></dd>
+</dl>
+<dl>
+<dt>Direct Known Subclasses:</dt>
+<dd><a href="../../../../../../org/apache/commons/math3/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">SynchronizedDescriptiveStatistics</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">DescriptiveStatistics</span>
+extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
+implements <a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
+<div class="block">Maintains a dataset of values of a single variable and computes descriptive
+ statistics based on stored data. The <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getWindowSize()"><code>windowSize</code></a>
+ property sets a limit on the number of values that can be stored in the
+ dataset. The default value, INFINITE_WINDOW, puts no limit on the size of
+ the dataset. This value should be used with caution, as the backing store
+ will grow without bound in this case. For very large datasets,
+ <a href="../../../../../../org/apache/commons/math3/stat/descriptive/SummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><code>SummaryStatistics</code></a>, which does not store the dataset, should be used
+ instead of this class. If <code>windowSize</code> is not INFINITE_WINDOW and
+ more values are added than can be stored in the dataset, new values are
+ added in a "rolling" manner, with new values replacing the "oldest" values
+ in the dataset.
+
+ <p>Note: this class is not threadsafe. Use
+ <a href="../../../../../../org/apache/commons/math3/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><code>SynchronizedDescriptiveStatistics</code></a> if concurrent access from multiple
+ threads is required.</p></div>
+<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../serialized-form.html#org.apache.commons.math3.stat.descriptive.DescriptiveStatistics">Serialized Form</a></dd></dl>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field_summary">
+<!-- -->
+</a>
+<h3>Field Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static int</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#INFINITE_WINDOW">INFINITE_WINDOW</a></strong></code>
+<div class="block">Represents an infinite window size.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>protected int</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#windowSize">windowSize</a></strong></code>
+<div class="block">hold the window size</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!-- -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#DescriptiveStatistics()">DescriptiveStatistics</a></strong>()</code>
+<div class="block">Construct a DescriptiveStatistics instance with an infinite window</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#DescriptiveStatistics(org.apache.commons.math3.stat.descriptive.DescriptiveStatistics)">DescriptiveStatistics</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;original)</code>
+<div class="block">Copy constructor.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#DescriptiveStatistics(double[])">DescriptiveStatistics</a></strong>(double[]&nbsp;initialDoubleArray)</code>
+<div class="block">Construct a DescriptiveStatistics instance with an infinite window
+ and the initial data values in double[] initialDoubleArray.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#DescriptiveStatistics(int)">DescriptiveStatistics</a></strong>(int&nbsp;window)</code>
+<div class="block">Construct a DescriptiveStatistics instance with the specified window</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_summary">
+<!-- -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#addValue(double)">addValue</a></strong>(double&nbsp;v)</code>
+<div class="block">Adds the value to the dataset.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#apply(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">apply</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;stat)</code>
+<div class="block">Apply the given statistic to the data associated with this set of statistics.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#clear()">clear</a></strong>()</code>
+<div class="block">Resets all statistics and storage</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#copy()">copy</a></strong>()</code>
+<div class="block">Returns a copy of this DescriptiveStatistics instance with the same internal state.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#copy(org.apache.commons.math3.stat.descriptive.DescriptiveStatistics,%20org.apache.commons.math3.stat.descriptive.DescriptiveStatistics)">copy</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;source,
+ <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;dest)</code>
+<div class="block">Copies source to dest.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getElement(int)">getElement</a></strong>(int&nbsp;index)</code>
+<div class="block">Returns the element at the specified index</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getGeometricMean()">getGeometricMean</a></strong>()</code>
+<div class="block">Returns the <a href="http://www.xycoon.com/geometric_mean.htm">
+ geometric mean </a> of the available values.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getGeometricMeanImpl()">getGeometricMeanImpl</a></strong>()</code>
+<div class="block">Returns the currently configured geometric mean implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getKurtosis()">getKurtosis</a></strong>()</code>
+<div class="block">Returns the Kurtosis of the available values.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getKurtosisImpl()">getKurtosisImpl</a></strong>()</code>
+<div class="block">Returns the currently configured kurtosis implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMax()">getMax</a></strong>()</code>
+<div class="block">Returns the maximum of the available values</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMaxImpl()">getMaxImpl</a></strong>()</code>
+<div class="block">Returns the currently configured maximum implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMean()">getMean</a></strong>()</code>
+<div class="block">Returns the <a href="http://www.xycoon.com/arithmetic_mean.htm">
+ arithmetic mean </a> of the available values</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMeanImpl()">getMeanImpl</a></strong>()</code>
+<div class="block">Returns the currently configured mean implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMin()">getMin</a></strong>()</code>
+<div class="block">Returns the minimum of the available values</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getMinImpl()">getMinImpl</a></strong>()</code>
+<div class="block">Returns the currently configured minimum implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getN()">getN</a></strong>()</code>
+<div class="block">Returns the number of available values</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPercentile(double)">getPercentile</a></strong>(double&nbsp;p)</code>
+<div class="block">Returns an estimate for the pth percentile of the stored values.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPercentileImpl()">getPercentileImpl</a></strong>()</code>
+<div class="block">Returns the currently configured percentile implementation.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPopulationVariance()">getPopulationVariance</a></strong>()</code>
+<div class="block">Returns the <a href="http://en.wikibooks.org/wiki/Statistics/Summary/Variance">
+ population variance</a> of the available values.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getQuadraticMean()">getQuadraticMean</a></strong>()</code>
+<div class="block">Returns the quadratic mean, a.k.a.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSkewness()">getSkewness</a></strong>()</code>
+<div class="block">Returns the skewness of the available values.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSkewnessImpl()">getSkewnessImpl</a></strong>()</code>
+<div class="block">Returns the currently configured skewness implementation.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double[]</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSortedValues()">getSortedValues</a></strong>()</code>
+<div class="block">Returns the current set of values in an array of double primitives,
+ sorted in ascending order.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getStandardDeviation()">getStandardDeviation</a></strong>()</code>
+<div class="block">Returns the standard deviation of the available values.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSum()">getSum</a></strong>()</code>
+<div class="block">Returns the sum of the values that have been added to Univariate.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSumImpl()">getSumImpl</a></strong>()</code>
+<div class="block">Returns the currently configured sum implementation.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSumsq()">getSumsq</a></strong>()</code>
+<div class="block">Returns the sum of the squares of the available values.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getSumsqImpl()">getSumsqImpl</a></strong>()</code>
+<div class="block">Returns the currently configured sum of squares implementation.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double[]</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getValues()">getValues</a></strong>()</code>
+<div class="block">Returns the current set of values in an array of double primitives.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getVariance()">getVariance</a></strong>()</code>
+<div class="block">Returns the (sample) variance of the available values.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getVarianceImpl()">getVarianceImpl</a></strong>()</code>
+<div class="block">Returns the currently configured variance implementation.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getWindowSize()">getWindowSize</a></strong>()</code>
+<div class="block">Returns the maximum number of values that can be stored in the
+ dataset, or INFINITE_WINDOW (-1) if there is no limit.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#removeMostRecentValue()">removeMostRecentValue</a></strong>()</code>
+<div class="block">Removes the most recent value from the dataset.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#replaceMostRecentValue(double)">replaceMostRecentValue</a></strong>(double&nbsp;v)</code>
+<div class="block">Replaces the most recently stored value with the given value.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setGeometricMeanImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setGeometricMeanImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;geometricMeanImpl)</code>
+<div class="block">Sets the implementation for the gemoetric mean.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setKurtosisImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setKurtosisImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;kurtosisImpl)</code>
+<div class="block">Sets the implementation for the kurtosis.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setMaxImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setMaxImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;maxImpl)</code>
+<div class="block">Sets the implementation for the maximum.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setMeanImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setMeanImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;meanImpl)</code>
+<div class="block">Sets the implementation for the mean.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setMinImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setMinImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;minImpl)</code>
+<div class="block">Sets the implementation for the minimum.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setPercentileImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setPercentileImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;percentileImpl)</code>
+<div class="block">Sets the implementation to be used by <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPercentile(double)"><code>getPercentile(double)</code></a>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setSkewnessImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setSkewnessImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;skewnessImpl)</code>
+<div class="block">Sets the implementation for the skewness.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setSumImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setSumImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;sumImpl)</code>
+<div class="block">Sets the implementation for the sum.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setSumsqImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setSumsqImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;sumsqImpl)</code>
+<div class="block">Sets the implementation for the sum of squares.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setVarianceImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">setVarianceImpl</a></strong>(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;varianceImpl)</code>
+<div class="block">Sets the implementation for the variance.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#setWindowSize(int)">setWindowSize</a></strong>(int&nbsp;windowSize)</code>
+<div class="block">WindowSize controls the number of values that contribute to the
+ reported statistics.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#toString()">toString</a></strong>()</code>
+<div class="block">Generates a text report displaying univariate statistics from values
+ that have been added.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!-- -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
+<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ FIELD DETAIL =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field_detail">
+<!-- -->
+</a>
+<h3>Field Detail</h3>
+<a name="INFINITE_WINDOW">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>INFINITE_WINDOW</h4>
+<pre>public static final&nbsp;int INFINITE_WINDOW</pre>
+<div class="block">Represents an infinite window size. When the <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getWindowSize()"><code>getWindowSize()</code></a>
+ returns this value, there is no limit to the number of data values
+ that can be stored in the dataset.</div>
+<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.math3.stat.descriptive.DescriptiveStatistics.INFINITE_WINDOW">Constant Field Values</a></dd></dl>
+</li>
+</ul>
+<a name="windowSize">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>windowSize</h4>
+<pre>protected&nbsp;int windowSize</pre>
+<div class="block">hold the window size</div>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!-- -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="DescriptiveStatistics()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>DescriptiveStatistics</h4>
+<pre>public&nbsp;DescriptiveStatistics()</pre>
+<div class="block">Construct a DescriptiveStatistics instance with an infinite window</div>
+</li>
+</ul>
+<a name="DescriptiveStatistics(int)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>DescriptiveStatistics</h4>
+<pre>public&nbsp;DescriptiveStatistics(int&nbsp;window)
+ throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></pre>
+<div class="block">Construct a DescriptiveStatistics instance with the specified window</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>window</code> - the window size.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - if window size is less than 1 but
+ not equal to <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#INFINITE_WINDOW"><code>INFINITE_WINDOW</code></a></dd></dl>
+</li>
+</ul>
+<a name="DescriptiveStatistics(double[])">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>DescriptiveStatistics</h4>
+<pre>public&nbsp;DescriptiveStatistics(double[]&nbsp;initialDoubleArray)</pre>
+<div class="block">Construct a DescriptiveStatistics instance with an infinite window
+ and the initial data values in double[] initialDoubleArray.
+ If initialDoubleArray is null, then this constructor corresponds to
+ DescriptiveStatistics()</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>initialDoubleArray</code> - the initial double[].</dd></dl>
+</li>
+</ul>
+<a name="DescriptiveStatistics(org.apache.commons.math3.stat.descriptive.DescriptiveStatistics)">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>DescriptiveStatistics</h4>
+<pre>public&nbsp;DescriptiveStatistics(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;original)
+ throws <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
+<div class="block">Copy constructor. Construct a new DescriptiveStatistics instance that
+ is a copy of original.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>original</code> - DescriptiveStatistics instance to copy</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if original is null</dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!-- -->
+</a>
+<h3>Method Detail</h3>
+<a name="addValue(double)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addValue</h4>
+<pre>public&nbsp;void&nbsp;addValue(double&nbsp;v)</pre>
+<div class="block">Adds the value to the dataset. If the dataset is at the maximum size
+ (i.e., the number of stored elements equals the currently configured
+ windowSize), the first (oldest) element in the dataset is discarded
+ to make room for the new value.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - the value to be added</dd></dl>
+</li>
+</ul>
+<a name="removeMostRecentValue()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>removeMostRecentValue</h4>
+<pre>public&nbsp;void&nbsp;removeMostRecentValue()
+ throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></pre>
+<div class="block">Removes the most recent value from the dataset.</div>
+<dl><dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if there are no elements stored</dd></dl>
+</li>
+</ul>
+<a name="replaceMostRecentValue(double)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>replaceMostRecentValue</h4>
+<pre>public&nbsp;double&nbsp;replaceMostRecentValue(double&nbsp;v)
+ throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></pre>
+<div class="block">Replaces the most recently stored value with the given value.
+ There must be at least one element stored to call this method.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - the value to replace the most recent stored value</dd>
+<dt><span class="strong">Returns:</span></dt><dd>replaced value</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if there are no elements stored</dd></dl>
+</li>
+</ul>
+<a name="getMean()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMean</h4>
+<pre>public&nbsp;double&nbsp;getMean()</pre>
+<div class="block">Returns the <a href="http://www.xycoon.com/arithmetic_mean.htm">
+ arithmetic mean </a> of the available values</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getMean()">getMean</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The mean or Double.NaN if no values have been added.</dd></dl>
+</li>
+</ul>
+<a name="getGeometricMean()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getGeometricMean</h4>
+<pre>public&nbsp;double&nbsp;getGeometricMean()</pre>
+<div class="block">Returns the <a href="http://www.xycoon.com/geometric_mean.htm">
+ geometric mean </a> of the available values.
+ <p>
+ See <a href="../../../../../../org/apache/commons/math3/stat/descriptive/moment/GeometricMean.html" title="class in org.apache.commons.math3.stat.descriptive.moment"><code>GeometricMean</code></a> for details on the computing algorithm.</p></div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The geometricMean, Double.NaN if no values have been added,
+ or if any negative values have been added.</dd></dl>
+</li>
+</ul>
+<a name="getVariance()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getVariance</h4>
+<pre>public&nbsp;double&nbsp;getVariance()</pre>
+<div class="block">Returns the (sample) variance of the available values.
+
+ <p>This method returns the bias-corrected sample variance (using <code>n - 1</code> in
+ the denominator). Use <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPopulationVariance()"><code>getPopulationVariance()</code></a> for the non-bias-corrected
+ population variance.</p></div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getVariance()">getVariance</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The variance, Double.NaN if no values have been added
+ or 0.0 for a single value set.</dd></dl>
+</li>
+</ul>
+<a name="getPopulationVariance()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getPopulationVariance</h4>
+<pre>public&nbsp;double&nbsp;getPopulationVariance()</pre>
+<div class="block">Returns the <a href="http://en.wikibooks.org/wiki/Statistics/Summary/Variance">
+ population variance</a> of the available values.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The population variance, Double.NaN if no values have been added,
+ or 0.0 for a single value set.</dd></dl>
+</li>
+</ul>
+<a name="getStandardDeviation()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getStandardDeviation</h4>
+<pre>public&nbsp;double&nbsp;getStandardDeviation()</pre>
+<div class="block">Returns the standard deviation of the available values.</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getStandardDeviation()">getStandardDeviation</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The standard deviation, Double.NaN if no values have been added
+ or 0.0 for a single value set.</dd></dl>
+</li>
+</ul>
+<a name="getQuadraticMean()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getQuadraticMean</h4>
+<pre>public&nbsp;double&nbsp;getQuadraticMean()</pre>
+<div class="block">Returns the quadratic mean, a.k.a.
+ <a href="http://mathworld.wolfram.com/Root-Mean-Square.html">
+ root-mean-square</a> of the available values</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The quadratic mean or <code>Double.NaN</code> if no values
+ have been added.</dd></dl>
+</li>
+</ul>
+<a name="getSkewness()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getSkewness</h4>
+<pre>public&nbsp;double&nbsp;getSkewness()</pre>
+<div class="block">Returns the skewness of the available values. Skewness is a
+ measure of the asymmetry of a given distribution.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The skewness, Double.NaN if less than 3 values have been added.</dd></dl>
+</li>
+</ul>
+<a name="getKurtosis()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getKurtosis</h4>
+<pre>public&nbsp;double&nbsp;getKurtosis()</pre>
+<div class="block">Returns the Kurtosis of the available values. Kurtosis is a
+ measure of the "peakedness" of a distribution.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The kurtosis, Double.NaN if less than 4 values have been added.</dd></dl>
+</li>
+</ul>
+<a name="getMax()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMax</h4>
+<pre>public&nbsp;double&nbsp;getMax()</pre>
+<div class="block">Returns the maximum of the available values</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getMax()">getMax</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The max or Double.NaN if no values have been added.</dd></dl>
+</li>
+</ul>
+<a name="getMin()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMin</h4>
+<pre>public&nbsp;double&nbsp;getMin()</pre>
+<div class="block">Returns the minimum of the available values</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getMin()">getMin</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The min or Double.NaN if no values have been added.</dd></dl>
+</li>
+</ul>
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+<pre>public&nbsp;long&nbsp;getN()</pre>
+<div class="block">Returns the number of available values</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getN()">getN</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The number of available values</dd></dl>
+</li>
+</ul>
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+<!-- -->
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+<pre>public&nbsp;double&nbsp;getSum()</pre>
+<div class="block">Returns the sum of the values that have been added to Univariate.</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html#getSum()">getSum</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>The sum or Double.NaN if no values have been added</dd></dl>
+</li>
+</ul>
+<a name="getSumsq()">
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+<pre>public&nbsp;double&nbsp;getSumsq()</pre>
+<div class="block">Returns the sum of the squares of the available values.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The sum of the squares or Double.NaN if no
+ values have been added.</dd></dl>
+</li>
+</ul>
+<a name="clear()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>clear</h4>
+<pre>public&nbsp;void&nbsp;clear()</pre>
+<div class="block">Resets all statistics and storage</div>
+</li>
+</ul>
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+<!-- -->
+</a>
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+<h4>getWindowSize</h4>
+<pre>public&nbsp;int&nbsp;getWindowSize()</pre>
+<div class="block">Returns the maximum number of values that can be stored in the
+ dataset, or INFINITE_WINDOW (-1) if there is no limit.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>The current window size or -1 if its Infinite.</dd></dl>
+</li>
+</ul>
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+<div class="block">WindowSize controls the number of values that contribute to the
+ reported statistics. For example, if windowSize is set to 3 and the
+ values {1,2,3,4,5} have been added <strong> in that order</strong> then
+ the <i>available values</i> are {3,4,5} and all reported statistics will
+ be based on these values. If <code>windowSize</code> is decreased as a result
+ of this call and there are more than the new value of elements in the
+ current dataset, values from the front of the array are discarded to
+ reduce the dataset to <code>windowSize</code> elements.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>windowSize</code> - sets the size of the window.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - if window size is less than 1 but
+ not equal to <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#INFINITE_WINDOW"><code>INFINITE_WINDOW</code></a></dd></dl>
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+</ul>
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+<pre>public&nbsp;double[]&nbsp;getValues()</pre>
+<div class="block">Returns the current set of values in an array of double primitives.
+ The order of addition is preserved. The returned array is a fresh
+ copy of the underlying data -- i.e., it is not a reference to the
+ stored data.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>returns the current set of numbers in the order in which they
+ were added to this set</dd></dl>
+</li>
+</ul>
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+<h4>getSortedValues</h4>
+<pre>public&nbsp;double[]&nbsp;getSortedValues()</pre>
+<div class="block">Returns the current set of values in an array of double primitives,
+ sorted in ascending order. The returned array is a fresh
+ copy of the underlying data -- i.e., it is not a reference to the
+ stored data.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>returns the current set of
+ numbers sorted in ascending order</dd></dl>
+</li>
+</ul>
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+<pre>public&nbsp;double&nbsp;getElement(int&nbsp;index)</pre>
+<div class="block">Returns the element at the specified index</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - The Index of the element</dd>
+<dt><span class="strong">Returns:</span></dt><dd>return the element at the specified index</dd></dl>
+</li>
+</ul>
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+<h4>getPercentile</h4>
+<pre>public&nbsp;double&nbsp;getPercentile(double&nbsp;p)
+ throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a>,
+ <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></pre>
+<div class="block">Returns an estimate for the pth percentile of the stored values.
+ <p>
+ The implementation provided here follows the first estimation procedure presented
+ <a href="http://www.itl.nist.gov/div898/handbook/prc/section2/prc252.htm">here.</a>
+ </p><p>
+ <strong>Preconditions</strong>:<ul>
+ <li><code>0 &lt; p &le; 100</code> (otherwise an
+ <code>MathIllegalArgumentException</code> is thrown)</li>
+ <li>at least one value must be stored (returns <code>Double.NaN
+ </code> otherwise)</li>
+ </ul></p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>p</code> - the requested percentile (scaled from 0 - 100)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>An estimate for the pth percentile of the stored data</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if percentile implementation has been
+ overridden and the supplied implementation does not support setQuantile</dd>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - if p is not a valid quantile</dd></dl>
+</li>
+</ul>
+<a name="toString()">
+<!-- -->
+</a>
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+<h4>toString</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
+<div class="block">Generates a text report displaying univariate statistics from values
+ that have been added. Each statistic is displayed on a separate
+ line.</div>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>String with line feeds displaying statistics</dd></dl>
+</li>
+</ul>
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+<div class="block">Apply the given statistic to the data associated with this set of statistics.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>stat</code> - the statistic to apply</dd>
+<dt><span class="strong">Returns:</span></dt><dd>the computed value of the statistic.</dd></dl>
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+</ul>
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+<div class="block">Returns the currently configured mean implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the mean</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
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+<div class="block"><p>Sets the implementation for the mean.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>meanImpl</code> - the UnivariateStatistic instance to use
+ for computing the mean</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
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+<div class="block">Returns the currently configured geometric mean implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the geometric mean</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
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+<div class="block"><p>Sets the implementation for the gemoetric mean.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>geometricMeanImpl</code> - the UnivariateStatistic instance to use
+ for computing the geometric mean</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
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+<div class="block">Returns the currently configured kurtosis implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the kurtosis</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
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+<div class="block"><p>Sets the implementation for the kurtosis.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>kurtosisImpl</code> - the UnivariateStatistic instance to use
+ for computing the kurtosis</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
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+<div class="block">Returns the currently configured maximum implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the maximum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
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+<div class="block"><p>Sets the implementation for the maximum.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>maxImpl</code> - the UnivariateStatistic instance to use
+ for computing the maximum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block">Returns the currently configured minimum implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the minimum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block"><p>Sets the implementation for the minimum.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>minImpl</code> - the UnivariateStatistic instance to use
+ for computing the minimum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block">Returns the currently configured percentile implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the percentile</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+ throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></pre>
+<div class="block">Sets the implementation to be used by <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html#getPercentile(double)"><code>getPercentile(double)</code></a>.
+ The supplied <code>UnivariateStatistic</code> must provide a
+ <code>setQuantile(double)</code> method; otherwise
+ <code>IllegalArgumentException</code> is thrown.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>percentileImpl</code> - the percentileImpl to set</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - if the supplied implementation does not
+ provide a <code>setQuantile</code> method</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block">Returns the currently configured skewness implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the skewness</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block"><p>Sets the implementation for the skewness.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>skewnessImpl</code> - the UnivariateStatistic instance to use
+ for computing the skewness</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block">Returns the currently configured variance implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the variance</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block"><p>Sets the implementation for the variance.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>varianceImpl</code> - the UnivariateStatistic instance to use
+ for computing the variance</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<div class="block">Returns the currently configured sum of squares implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the sum of squares</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
+<a name="setSumsqImpl(org.apache.commons.math3.stat.descriptive.UnivariateStatistic)">
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+<div class="block"><p>Sets the implementation for the sum of squares.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sumsqImpl</code> - the UnivariateStatistic instance to use
+ for computing the sum of squares</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
+<a name="getSumImpl()">
+<!-- -->
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+<div class="block">Returns the currently configured sum implementation.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>the UnivariateStatistic implementing the sum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
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+<li class="blockList">
+<h4>setSumImpl</h4>
+<pre>public&nbsp;void&nbsp;setSumImpl(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a>&nbsp;sumImpl)</pre>
+<div class="block"><p>Sets the implementation for the sum.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sumImpl</code> - the UnivariateStatistic instance to use
+ for computing the sum</dd><dt><span class="strong">Since:</span></dt>
+ <dd>1.2</dd></dl>
+</li>
+</ul>
+<a name="copy()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>copy</h4>
+<pre>public&nbsp;<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;copy()</pre>
+<div class="block">Returns a copy of this DescriptiveStatistics instance with the same internal state.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>a copy of this</dd></dl>
+</li>
+</ul>
+<a name="copy(org.apache.commons.math3.stat.descriptive.DescriptiveStatistics, org.apache.commons.math3.stat.descriptive.DescriptiveStatistics)">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>copy</h4>
+<pre>public static&nbsp;void&nbsp;copy(<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;source,
+ <a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a>&nbsp;dest)
+ throws <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
+<div class="block">Copies source to dest.
+ <p>Neither source nor dest can be null.</p></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>source</code> - DescriptiveStatistics to copy</dd><dd><code>dest</code> - DescriptiveStatistics to copy to</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if either source or dest is null</dd></dl>
+</li>
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