1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>org.apache.commons.math3.stat.descriptive (Apache Commons Math 3.6.1 API)</title>
<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
</head>
<body>
<script type="text/javascript"><!--
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="org.apache.commons.math3.stat.descriptive (Apache Commons Math 3.6.1 API)";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar_top">
<!-- -->
</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../../help-doc.html">Help</a></li>
</ul>
<div class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script></em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../org/apache/commons/math3/stat/correlation/package-summary.html">Prev Package</a></li>
<li><a href="../../../../../../org/apache/commons/math3/stat/descriptive/moment/package-summary.html">Next Package</a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../index.html?org/apache/commons/math3/stat/descriptive/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<a name="skip-navbar_top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<div class="header">
<h1 title="Package" class="title">Package org.apache.commons.math3.stat.descriptive</h1>
<div class="docSummary">
<div class="block">Generic univariate summary statistic objects.</div>
</div>
<p>See: <a href="#package_description">Description</a></p>
</div>
<div class="contentContainer">
<ul class="blockList">
<li class="blockList">
<table class="packageSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation">
<caption><span>Interface Summary</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalMultivariateSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalMultivariateSummary</a></td>
<td class="colLast">
<div class="block">Reporting interface for basic multivariate statistics.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.commons.math3.stat.descriptive">StatisticalSummary</a></td>
<td class="colLast">
<div class="block">Reporting interface for basic univariate statistics.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">StorelessUnivariateStatistic</a></td>
<td class="colLast">
<div class="block">Extends the definition of <a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive"><code>UnivariateStatistic</code></a> with
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/StorelessUnivariateStatistic.html#increment(double)"><code>StorelessUnivariateStatistic.increment(double)</code></a> and <a href="../../../../../../org/apache/commons/math3/stat/descriptive/StorelessUnivariateStatistic.html#incrementAll(double[])"><code>StorelessUnivariateStatistic.incrementAll(double[])</code></a> methods for adding
values and updating internal state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive">UnivariateStatistic</a></td>
<td class="colLast">
<div class="block">Base interface implemented by all statistics.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/WeightedEvaluation.html" title="interface in org.apache.commons.math3.stat.descriptive">WeightedEvaluation</a></td>
<td class="colLast">
<div class="block">Weighted evaluation for statistics.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList">
<table class="packageSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
<caption><span>Class Summary</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/AbstractStorelessUnivariateStatistic.html" title="class in org.apache.commons.math3.stat.descriptive">AbstractStorelessUnivariateStatistic</a></td>
<td class="colLast">
<div class="block">Abstract implementation of the <a href="../../../../../../org/apache/commons/math3/stat/descriptive/StorelessUnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive"><code>StorelessUnivariateStatistic</code></a> interface.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/AbstractUnivariateStatistic.html" title="class in org.apache.commons.math3.stat.descriptive">AbstractUnivariateStatistic</a></td>
<td class="colLast">
<div class="block">Abstract base class for all implementations of the
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.commons.math3.stat.descriptive"><code>UnivariateStatistic</code></a> interface.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/AggregateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">AggregateSummaryStatistics</a></td>
<td class="colLast">
<div class="block">
An aggregator for <code>SummaryStatistics</code> from several data sets or
data set partitions.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">DescriptiveStatistics</a></td>
<td class="colLast">
<div class="block">Maintains a dataset of values of a single variable and computes descriptive
statistics based on stored data.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/MultivariateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">MultivariateSummaryStatistics</a></td>
<td class="colLast">
<div class="block">Computes summary statistics for a stream of n-tuples added using the
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/MultivariateSummaryStatistics.html#addValue(double[])"><code>addValue</code></a> method.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/StatisticalSummaryValues.html" title="class in org.apache.commons.math3.stat.descriptive">StatisticalSummaryValues</a></td>
<td class="colLast">
<div class="block">Value object representing the results of a univariate statistical summary.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/SummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">SummaryStatistics</a></td>
<td class="colLast">
<div class="block">
Computes summary statistics for a stream of data values added using the
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/SummaryStatistics.html#addValue(double)"><code>addValue</code></a> method.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">SynchronizedDescriptiveStatistics</a></td>
<td class="colLast">
<div class="block">Implementation of
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><code>DescriptiveStatistics</code></a> that
is safe to use in a multithreaded environment.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/SynchronizedMultivariateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">SynchronizedMultivariateSummaryStatistics</a></td>
<td class="colLast">
<div class="block">Implementation of
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/MultivariateSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><code>MultivariateSummaryStatistics</code></a> that
is safe to use in a multithreaded environment.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/commons/math3/stat/descriptive/SynchronizedSummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive">SynchronizedSummaryStatistics</a></td>
<td class="colLast">
<div class="block">Implementation of
<a href="../../../../../../org/apache/commons/math3/stat/descriptive/SummaryStatistics.html" title="class in org.apache.commons.math3.stat.descriptive"><code>SummaryStatistics</code></a> that
is safe to use in a multithreaded environment.</div>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
<a name="package_description">
<!-- -->
</a>
<h2 title="Package org.apache.commons.math3.stat.descriptive Description">Package org.apache.commons.math3.stat.descriptive Description</h2>
<div class="block">Generic univariate summary statistic objects.
<h3>UnivariateStatistic API Usage Examples:</h3>
<h4>UnivariateStatistic:</h4>
<code>/∗ evaluation approach ∗/<br/>
double[] values = new double[] { 1, 2, 3, 4, 5 };<br/>
<span style="font-weight: bold;">UnivariateStatistic stat = new Mean();</span><br/>
out.println("mean = " + <span style="font-weight: bold;">stat.evaluate(values)</span>);<br/>
</code>
<h4>StorelessUnivariateStatistic:</h4>
<code>/∗ incremental approach ∗/<br/>
double[] values = new double[] { 1, 2, 3, 4, 5 };<br/>
<span style="font-weight: bold;">StorelessUnivariateStatistic stat = new Mean();</span><br/>
out.println("mean before adding a value is NaN = " + <span style="font-weight: bold;">stat.getResult()</span>);<br/>
for (int i = 0; i < values.length; i++) {<br/>
<span style="font-weight: bold;">stat.increment(values[i]);</span><br/>
out.println("current mean = " + <span style="font-weight: bold;">stat2.getResult()</span>);<br/>
}<br/>
<span style="font-weight: bold;"> stat.clear();</span><br/>
out.println("mean after clear is NaN = " + <span style="font-weight: bold;">stat.getResult()</span>);
</code></div>
</div>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar_bottom">
<!-- -->
</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../../help-doc.html">Help</a></li>
</ul>
<div class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script></em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../org/apache/commons/math3/stat/correlation/package-summary.html">Prev Package</a></li>
<li><a href="../../../../../../org/apache/commons/math3/stat/descriptive/moment/package-summary.html">Next Package</a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../index.html?org/apache/commons/math3/stat/descriptive/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<a name="skip-navbar_bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small>Copyright © 2003–2016 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</body>
</html>
|
