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<div class="subTitle">org.apache.openejb.math.stat.descriptive</div>
<h2 title="Class SynchronizedDescriptiveStatistics" class="title">Class SynchronizedDescriptiveStatistics</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">org.apache.openejb.math.stat.descriptive.DescriptiveStatistics</a></li>
<li>
<ul class="inheritance">
<li>org.apache.openejb.math.stat.descriptive.SynchronizedDescriptiveStatistics</li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.openejb.math.stat.descriptive">StatisticalSummary</a></dd>
</dl>
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<br>
<pre>public class <span class="typeNameLabel">SynchronizedDescriptiveStatistics</span>
extends <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></pre>
<div class="block">Implementation of
<a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive"><code>DescriptiveStatistics</code></a> that
is safe to use in a multithreaded environment. Multiple threads can safely
operate on a single instance without causing runtime exceptions due to race
conditions. In effect, this implementation makes modification and access
methods atomic operations for a single instance. That is to say, as one
thread is computing a statistic from the instance, no other thread can modify
the instance nor compute another statistic.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../serialized-form.html#org.apache.openejb.math.stat.descriptive.SynchronizedDescriptiveStatistics">Serialized Form</a></dd>
</dl>
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</ul>
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<h3>Field Summary</h3>
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<h3>Fields inherited from class&nbsp;org.apache.openejb.math.stat.descriptive.<a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></h3>
<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#eDA">eDA</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#INFINITE_WINDOW">INFINITE_WINDOW</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#windowSize">windowSize</a></code></li>
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<h3>Constructor Summary</h3>
<table class="memberSummary" 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><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#SynchronizedDescriptiveStatistics--">SynchronizedDescriptiveStatistics</a></span>()</code>
<div class="block">Construct an instance with infinite window</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#SynchronizedDescriptiveStatistics-int-">SynchronizedDescriptiveStatistics</a></span>(int&nbsp;window)</code>
<div class="block">Construct an instance with finite window</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#SynchronizedDescriptiveStatistics-org.apache.openejb.math.stat.descriptive.SynchronizedDescriptiveStatistics-">SynchronizedDescriptiveStatistics</a></span>(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;original)</code>
<div class="block">A copy constructor.</div>
</td>
</tr>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#addValue-double-">addValue</a></span>(double&nbsp;v)</code>
<div class="block">Adds the value to the dataset.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#apply-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">apply</a></span>(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.openejb.math.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 id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#clear--">clear</a></span>()</code>
<div class="block">Resets all statistics and storage</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#copy--">copy</a></span>()</code>
<div class="block">Returns a copy of this SynchronizedDescriptiveStatistics instance with the
same internal state.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#copy-org.apache.openejb.math.stat.descriptive.SynchronizedDescriptiveStatistics-org.apache.openejb.math.stat.descriptive.SynchronizedDescriptiveStatistics-">copy</a></span>(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;source,
<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;dest)</code>
<div class="block">Copies source to dest.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#getElement-int-">getElement</a></span>(int&nbsp;index)</code>
<div class="block">Returns the element at the specified index</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#getN--">getN</a></span>()</code>
<div class="block">Returns the number of available values</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#getStandardDeviation--">getStandardDeviation</a></span>()</code>
<div class="block">Returns the standard deviation of the available values.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#getValues--">getValues</a></span>()</code>
<div class="block">Returns the current set of values in an array of double primitives.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#getWindowSize--">getWindowSize</a></span>()</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 id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#setWindowSize-int-">setWindowSize</a></span>(int&nbsp;windowSize)</code>
<div class="block">WindowSize controls the number of values which contribute
to the reported statistics.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html#toString--">toString</a></span>()</code>
<div class="block">Generates a text report displaying univariate statistics from values
that have been added.</div>
</td>
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<h3>Methods inherited from class&nbsp;org.apache.openejb.math.stat.descriptive.<a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></h3>
<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#copy-org.apache.openejb.math.stat.descriptive.DescriptiveStatistics-org.apache.openejb.math.stat.descriptive.DescriptiveStatistics-">copy</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getGeometricMean--">getGeometricMean</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getGeometricMeanImpl--">getGeometricMeanImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getKurtosis--">getKurtosis</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getKurtosisImpl--">getKurtosisImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMax--">getMax</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMaxImpl--">getMaxImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMean--">getMean</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMeanImpl--">getMeanImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMin--">getMin</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getMinImpl--">getMinImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getPercentile-double-">getPercentile</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getPercentileImpl--">getPercentileImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSkewness--">getSkewness</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSkewnessImpl--">getSkewnessImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSortedValues--">getSortedValues</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSum--">getSum</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSumImpl--">getSumImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSumsq--">getSumsq</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getSumsqImpl--">getSumsqImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getVariance--">getVariance</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getVarianceImpl--">getVarianceImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#removeMostRecentValue--">removeMostRecentValue</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#replaceMostRecentValue-double-">replaceMostRecentValue</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setGeometricMeanImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setGeometricMeanImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setKurtosisImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setKurtosisImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setMaxImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setMaxImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setMeanImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setMeanImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setMinImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setMinImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setPercentileImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setPercentileImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setSkewnessImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setSkewnessImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setSumImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setSumImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setSumsqImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setSumsqImpl</a>, <a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setVarianceImpl-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">setVarianceImpl</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
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<h4>SynchronizedDescriptiveStatistics</h4>
<pre>public&nbsp;SynchronizedDescriptiveStatistics()</pre>
<div class="block">Construct an instance with infinite window</div>
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<h4>SynchronizedDescriptiveStatistics</h4>
<pre>public&nbsp;SynchronizedDescriptiveStatistics(int&nbsp;window)</pre>
<div class="block">Construct an instance with finite window</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>window</code> - the finite window size.</dd>
</dl>
</li>
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<h4>SynchronizedDescriptiveStatistics</h4>
<pre>public&nbsp;SynchronizedDescriptiveStatistics(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;original)</pre>
<div class="block">A copy constructor. Creates a deep-copy of the <code>original</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>original</code> - the <code>SynchronizedDescriptiveStatistics</code> instance to copy</dd>
</dl>
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<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="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#addValue-double-">addValue</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>v</code> - the value to be added</dd>
</dl>
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<h4>apply</h4>
<pre>public&nbsp;double&nbsp;apply(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/UnivariateStatistic.html" title="interface in org.apache.openejb.math.stat.descriptive">UnivariateStatistic</a>&nbsp;stat)</pre>
<div class="block">Apply the given statistic to the data associated with this set of statistics.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#apply-org.apache.openejb.math.stat.descriptive.UnivariateStatistic-">apply</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>stat</code> - the statistic to apply</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the computed value of the statistic.</dd>
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block">Resets all statistics and storage</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#clear--">clear</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
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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="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getElement-int-">getElement</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The Index of the element</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>return the element at the specified index</dd>
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<h4>getN</h4>
<pre>public&nbsp;long&nbsp;getN()</pre>
<div class="block">Returns the number of available values</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/StatisticalSummary.html#getN--">getN</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.openejb.math.stat.descriptive">StatisticalSummary</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getN--">getN</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of available values</dd>
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<h4>getStandardDeviation</h4>
<pre>public&nbsp;double&nbsp;getStandardDeviation()</pre>
<div class="block">Returns the standard deviation of the available values.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/StatisticalSummary.html#getStandardDeviation--">getStandardDeviation</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/StatisticalSummary.html" title="interface in org.apache.openejb.math.stat.descriptive">StatisticalSummary</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getStandardDeviation--">getStandardDeviation</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The standard deviation, Double.NaN if no values have been added
or 0.0 for a single value set.</dd>
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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="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getValues--">getValues</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>returns the current set of numbers in the order in which they
were added to this set</dd>
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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="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#getWindowSize--">getWindowSize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The current window size or -1 if its Infinite.</dd>
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<pre>public&nbsp;void&nbsp;setWindowSize(int&nbsp;windowSize)</pre>
<div class="block">WindowSize controls the number of values which 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</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#setWindowSize-int-">setWindowSize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowSize</code> - sets the size of the window.</dd>
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&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><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#toString--">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>String with line feeds displaying statistics</dd>
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<h4>copy</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;copy()</pre>
<div class="block">Returns a copy of this SynchronizedDescriptiveStatistics instance with the
same internal state.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html#copy--">copy</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/openejb/math/stat/descriptive/DescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">DescriptiveStatistics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a copy of this</dd>
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</ul>
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<h4>copy</h4>
<pre>public static&nbsp;void&nbsp;copy(<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;source,
<a href="../../../../../../org/apache/openejb/math/stat/descriptive/SynchronizedDescriptiveStatistics.html" title="class in org.apache.openejb.math.stat.descriptive">SynchronizedDescriptiveStatistics</a>&nbsp;dest)</pre>
<div class="block">Copies source to dest.
<p>Neither source nor dest can be null.</p>
<p>Acquires synchronization lock on source, then dest before copying.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>source</code> - SynchronizedDescriptiveStatistics to copy</dd>
<dd><code>dest</code> - SynchronizedDescriptiveStatistics to copy to</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.NullPointerException</code> - if either source or dest is null</dd>
</dl>
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