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| <div class="subTitle">org.apache.commons.math3.analysis.interpolation</div> |
| <h2 title="Class LoessInterpolator" class="title">Class LoessInterpolator</h2> |
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| <ul class="inheritance"> |
| <li>org.apache.commons.math3.analysis.interpolation.LoessInterpolator</li> |
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| <dd><a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/UnivariateInterpolator.html" title="interface in org.apache.commons.math3.analysis.interpolation">UnivariateInterpolator</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="strong">LoessInterpolator</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> |
| implements <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/UnivariateInterpolator.html" title="interface in org.apache.commons.math3.analysis.interpolation">UnivariateInterpolator</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block">Implements the <a href="http://en.wikipedia.org/wiki/Local_regression"> |
| Local Regression Algorithm</a> (also Loess, Lowess) for interpolation of |
| real univariate functions. |
| <p/> |
| For reference, see |
| <a href="http://www.math.tau.ac.il/~yekutiel/MA seminar/Cleveland 1979.pdf"> |
| William S. Cleveland - Robust Locally Weighted Regression and Smoothing |
| Scatterplots</a> |
| <p/> |
| This class implements both the loess method and serves as an interpolation |
| adapter to it, allowing one to build a spline on the obtained loess fit.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.0</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: LoessInterpolator.java 1379904 2012-09-01 23:54:52Z erans $</dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../serialized-form.html#org.apache.commons.math3.analysis.interpolation.LoessInterpolator">Serialized Form</a></dd></dl> |
| </li> |
| </ul> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ACCURACY">DEFAULT_ACCURACY</a></strong></code> |
| <div class="block">Default value for accuracy.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_BANDWIDTH">DEFAULT_BANDWIDTH</a></strong></code> |
| <div class="block">Default value of the bandwidth parameter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ROBUSTNESS_ITERS">DEFAULT_ROBUSTNESS_ITERS</a></strong></code> |
| <div class="block">Default value of the number of robustness iterations.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <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/analysis/interpolation/LoessInterpolator.html#LoessInterpolator()">LoessInterpolator</a></strong>()</code> |
| <div class="block">Constructs a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with a bandwidth of <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_BANDWIDTH"><code>DEFAULT_BANDWIDTH</code></a>, |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ROBUSTNESS_ITERS"><code>DEFAULT_ROBUSTNESS_ITERS</code></a> robustness iterations |
| and an accuracy of {#link #DEFAULT_ACCURACY}.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int)">LoessInterpolator</a></strong>(double bandwidth, |
| int robustnessIters)</code> |
| <div class="block">Construct a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with given bandwidth and number of robustness iterations.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int, double)">LoessInterpolator</a></strong>(double bandwidth, |
| int robustnessIters, |
| double accuracy)</code> |
| <div class="block">Construct a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with given bandwidth, number of robustness iterations and accuracy.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <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><a href="../../../../../../org/apache/commons/math3/analysis/polynomials/PolynomialSplineFunction.html" title="class in org.apache.commons.math3.analysis.polynomials">PolynomialSplineFunction</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#interpolate(double[], double[])">interpolate</a></strong>(double[] xval, |
| double[] yval)</code> |
| <div class="block">Compute an interpolating function by performing a loess fit |
| on the data at the original abscissae and then building a cubic spline |
| with a |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/SplineInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>SplineInterpolator</code></a> |
| on the resulting fit.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#smooth(double[], double[])">smooth</a></strong>(double[] xval, |
| double[] yval)</code> |
| <div class="block">Compute a loess fit on the data at the original abscissae.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#smooth(double[], double[], double[])">smooth</a></strong>(double[] xval, |
| double[] yval, |
| double[] weights)</code> |
| <div class="block">Compute a weighted loess fit on the data at the original abscissae.</div> |
| </td> |
| </tr> |
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| <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> |
| </ul> |
| </li> |
| </ul> |
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| <h4>DEFAULT_BANDWIDTH</h4> |
| <pre>public static final double DEFAULT_BANDWIDTH</pre> |
| <div class="block">Default value of the bandwidth parameter.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.math3.analysis.interpolation.LoessInterpolator.DEFAULT_BANDWIDTH">Constant Field Values</a></dd></dl> |
| </li> |
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| <h4>DEFAULT_ROBUSTNESS_ITERS</h4> |
| <pre>public static final int DEFAULT_ROBUSTNESS_ITERS</pre> |
| <div class="block">Default value of the number of robustness iterations.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.math3.analysis.interpolation.LoessInterpolator.DEFAULT_ROBUSTNESS_ITERS">Constant Field Values</a></dd></dl> |
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| <h4>DEFAULT_ACCURACY</h4> |
| <pre>public static final double DEFAULT_ACCURACY</pre> |
| <div class="block">Default value for accuracy.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.1</dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.math3.analysis.interpolation.LoessInterpolator.DEFAULT_ACCURACY">Constant Field Values</a></dd></dl> |
| </li> |
| </ul> |
| </li> |
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| <ul class="blockList"> |
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| <h3>Constructor Detail</h3> |
| <a name="LoessInterpolator()"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>LoessInterpolator</h4> |
| <pre>public LoessInterpolator()</pre> |
| <div class="block">Constructs a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with a bandwidth of <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_BANDWIDTH"><code>DEFAULT_BANDWIDTH</code></a>, |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ROBUSTNESS_ITERS"><code>DEFAULT_ROBUSTNESS_ITERS</code></a> robustness iterations |
| and an accuracy of {#link #DEFAULT_ACCURACY}. |
| See <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int, double)"><code>LoessInterpolator(double, int, double)</code></a> for an explanation of |
| the parameters.</div> |
| </li> |
| </ul> |
| <a name="LoessInterpolator(double, int)"> |
| <!-- --> |
| </a> |
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| <h4>LoessInterpolator</h4> |
| <pre>public LoessInterpolator(double bandwidth, |
| int robustnessIters)</pre> |
| <div class="block">Construct a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with given bandwidth and number of robustness iterations. |
| <p> |
| Calling this constructor is equivalent to calling {link <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int, double)"><code>LoessInterpolator(bandwidth, |
| robustnessIters, LoessInterpolator.DEFAULT_ACCURACY)</code></a> |
| </p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>bandwidth</code> - when computing the loess fit at |
| a particular point, this fraction of source points closest |
| to the current point is taken into account for computing |
| a least-squares regression.</br> |
| A sensible value is usually 0.25 to 0.5, the default value is |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_BANDWIDTH"><code>DEFAULT_BANDWIDTH</code></a>.</dd><dd><code>robustnessIters</code> - This many robustness iterations are done.</br> |
| A sensible value is usually 0 (just the initial fit without any |
| robustness iterations) to 4, the default value is |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ROBUSTNESS_ITERS"><code>DEFAULT_ROBUSTNESS_ITERS</code></a>.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int, double)"><code>LoessInterpolator(double, int, double)</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="LoessInterpolator(double, int, double)"> |
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| </a> |
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| <h4>LoessInterpolator</h4> |
| <pre>public LoessInterpolator(double bandwidth, |
| int robustnessIters, |
| double accuracy) |
| throws <a href="../../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></pre> |
| <div class="block">Construct a new <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>LoessInterpolator</code></a> |
| with given bandwidth, number of robustness iterations and accuracy.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>bandwidth</code> - when computing the loess fit at |
| a particular point, this fraction of source points closest |
| to the current point is taken into account for computing |
| a least-squares regression.</br> |
| A sensible value is usually 0.25 to 0.5, the default value is |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_BANDWIDTH"><code>DEFAULT_BANDWIDTH</code></a>.</dd><dd><code>robustnessIters</code> - This many robustness iterations are done.</br> |
| A sensible value is usually 0 (just the initial fit without any |
| robustness iterations) to 4, the default value is |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#DEFAULT_ROBUSTNESS_ITERS"><code>DEFAULT_ROBUSTNESS_ITERS</code></a>.</dd><dd><code>accuracy</code> - If the median residual at a certain robustness iteration |
| is less than this amount, no more iterations are done.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if bandwidth does not lie in the interval [0,1].</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></code> - if <code>robustnessIters</code> is negative.</dd><dt><span class="strong">Since:</span></dt> |
| <dd>2.1</dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/LoessInterpolator.html#LoessInterpolator(double, int)"><code>LoessInterpolator(double, int)</code></a></dd></dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="interpolate(double[], double[])"> |
| <!-- --> |
| </a> |
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| <h4>interpolate</h4> |
| <pre>public final <a href="../../../../../../org/apache/commons/math3/analysis/polynomials/PolynomialSplineFunction.html" title="class in org.apache.commons.math3.analysis.polynomials">PolynomialSplineFunction</a> interpolate(double[] xval, |
| double[] yval) |
| throws <a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></pre> |
| <div class="block">Compute an interpolating function by performing a loess fit |
| on the data at the original abscissae and then building a cubic spline |
| with a |
| <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/SplineInterpolator.html" title="class in org.apache.commons.math3.analysis.interpolation"><code>SplineInterpolator</code></a> |
| on the resulting fit.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/UnivariateInterpolator.html#interpolate(double[], double[])">interpolate</a></code> in interface <code><a href="../../../../../../org/apache/commons/math3/analysis/interpolation/UnivariateInterpolator.html" title="interface in org.apache.commons.math3.analysis.interpolation">UnivariateInterpolator</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>xval</code> - the arguments for the interpolation points</dd><dd><code>yval</code> - the values for the interpolation points</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>A cubic spline built upon a loess fit to the data at the original abscissae</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a></code> - if <code>xval</code> not sorted in |
| strictly increasing order.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>xval</code> and <code>yval</code> have |
| different sizes.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a></code> - if <code>xval</code> or <code>yval</code> has zero size.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a></code> - if any of the arguments and values are |
| not finite real numbers.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if the bandwidth is too small to |
| accomodate the size of the input data (i.e. the bandwidth must be |
| larger than 2/n).</dd></dl> |
| </li> |
| </ul> |
| <a name="smooth(double[], double[], double[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>smooth</h4> |
| <pre>public final double[] smooth(double[] xval, |
| double[] yval, |
| double[] weights) |
| throws <a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></pre> |
| <div class="block">Compute a weighted loess fit on the data at the original abscissae.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>xval</code> - Arguments for the interpolation points.</dd><dd><code>yval</code> - Values for the interpolation points.</dd><dd><code>weights</code> - point weights: coefficients by which the robustness weight |
| of a point is multiplied.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the values of the loess fit at corresponding original abscissae.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a></code> - if <code>xval</code> not sorted in |
| strictly increasing order.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>xval</code> and <code>yval</code> have |
| different sizes.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a></code> - if <code>xval</code> or <code>yval</code> has zero size.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a></code> - if any of the arguments and values are |
| not finite real numbers.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if the bandwidth is too small to |
| accomodate the size of the input data (i.e. the bandwidth must be |
| larger than 2/n).</dd><dt><span class="strong">Since:</span></dt> |
| <dd>2.1</dd></dl> |
| </li> |
| </ul> |
| <a name="smooth(double[], double[])"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>smooth</h4> |
| <pre>public final double[] smooth(double[] xval, |
| double[] yval) |
| throws <a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a>, |
| <a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></pre> |
| <div class="block">Compute a loess fit on the data at the original abscissae.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>xval</code> - the arguments for the interpolation points</dd><dd><code>yval</code> - the values for the interpolation points</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>values of the loess fit at corresponding original abscissae</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html" title="class in org.apache.commons.math3.exception">NonMonotonicSequenceException</a></code> - if <code>xval</code> not sorted in |
| strictly increasing order.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>xval</code> and <code>yval</code> have |
| different sizes.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html" title="class in org.apache.commons.math3.exception">NoDataException</a></code> - if <code>xval</code> or <code>yval</code> has zero size.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a></code> - if any of the arguments and values are |
| not finite real numbers.</dd> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if the bandwidth is too small to |
| accomodate the size of the input data (i.e. the bandwidth must be |
| larger than 2/n).</dd></dl> |
| </li> |
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