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| <div class="subTitle">org.apache.commons.math3.ml.neuralnet</div> |
| <h2 title="Class FeatureInitializerFactory" class="title">Class FeatureInitializerFactory</h2> |
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| <li>org.apache.commons.math3.ml.neuralnet.FeatureInitializerFactory</li> |
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| <pre>public class <span class="strong">FeatureInitializerFactory</span> |
| extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Creates functions that will select the initial values of a neuron's |
| features.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>3.3</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: FeatureInitializerFactory.java 1566092 2014-02-08 18:48:29Z tn $</dd></dl> |
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| <td class="colFirst"><code>static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializerFactory.html#function(org.apache.commons.math3.analysis.UnivariateFunction, double, double)">function</a></strong>(<a href="../../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a> f, |
| double init, |
| double inc)</code> |
| <div class="block">Creates an initializer from a univariate function <code>f(x)</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializerFactory.html#randomize(org.apache.commons.math3.distribution.RealDistribution, org.apache.commons.math3.ml.neuralnet.FeatureInitializer)">randomize</a></strong>(<a href="../../../../../../org/apache/commons/math3/distribution/RealDistribution.html" title="interface in org.apache.commons.math3.distribution">RealDistribution</a> random, |
| <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> orig)</code> |
| <div class="block">Adds some amount of random data to the given initializer.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializerFactory.html#uniform(double, double)">uniform</a></strong>(double min, |
| double max)</code> |
| <div class="block">Uniform sampling of the given range.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializerFactory.html#uniform(org.apache.commons.math3.random.RandomGenerator, double, double)">uniform</a></strong>(<a href="../../../../../../org/apache/commons/math3/random/RandomGenerator.html" title="interface in org.apache.commons.math3.random">RandomGenerator</a> rng, |
| double min, |
| double max)</code> |
| <div class="block">Uniform sampling of the given range.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/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/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/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/6/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/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li> |
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| <h4>uniform</h4> |
| <pre>public static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> uniform(<a href="../../../../../../org/apache/commons/math3/random/RandomGenerator.html" title="interface in org.apache.commons.math3.random">RandomGenerator</a> rng, |
| double min, |
| double max)</pre> |
| <div class="block">Uniform sampling of the given range.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>min</code> - Lower bound of the range.</dd><dd><code>max</code> - Upper bound of the range.</dd><dd><code>rng</code> - Random number generator used to draw samples from a |
| uniform distribution.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>an initializer such that the features will be initialized with |
| values within the given range.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>min >= max</code>.</dd></dl> |
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| <a name="uniform(double, double)"> |
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| <h4>uniform</h4> |
| <pre>public static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> uniform(double min, |
| double max)</pre> |
| <div class="block">Uniform sampling of the given range.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>min</code> - Lower bound of the range.</dd><dd><code>max</code> - Upper bound of the range.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>an initializer such that the features will be initialized with |
| values within the given range.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>min >= max</code>.</dd></dl> |
| </li> |
| </ul> |
| <a name="function(org.apache.commons.math3.analysis.UnivariateFunction, double, double)"> |
| <!-- --> |
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| <h4>function</h4> |
| <pre>public static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> function(<a href="../../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a> f, |
| double init, |
| double inc)</pre> |
| <div class="block">Creates an initializer from a univariate function <code>f(x)</code>. |
| The argument <code>x</code> is set to <code>init</code> at the first call |
| and will be incremented at each call.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - Function.</dd><dd><code>init</code> - Initial value.</dd><dd><code>inc</code> - Increment</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the initializer.</dd></dl> |
| </li> |
| </ul> |
| <a name="randomize(org.apache.commons.math3.distribution.RealDistribution, org.apache.commons.math3.ml.neuralnet.FeatureInitializer)"> |
| <!-- --> |
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| <h4>randomize</h4> |
| <pre>public static <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> randomize(<a href="../../../../../../org/apache/commons/math3/distribution/RealDistribution.html" title="interface in org.apache.commons.math3.distribution">RealDistribution</a> random, |
| <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html" title="interface in org.apache.commons.math3.ml.neuralnet">FeatureInitializer</a> orig)</pre> |
| <div class="block">Adds some amount of random data to the given initializer.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>random</code> - Random variable distribution.</dd><dd><code>orig</code> - Original initializer.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>an initializer whose <a href="../../../../../../org/apache/commons/math3/ml/neuralnet/FeatureInitializer.html#value()"><code>value</code></a> |
| method will return <code>orig.value() + random.sample()</code>.</dd></dl> |
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