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java.lang.Objectmathutil.LinearRegression
public class LinearRegression
Třída implementuje lineární regresi dat.
Copyright: Copyright (c) 2005 Jan Dolezel
Company: ČVUT FEL, Prague
Field Summary | |
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protected double |
fi
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protected double |
offset
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Constructor Summary | |
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LinearRegression(double[] x,
double[] y)
Lineární regrese dvourozměrných dat určená poly x a y. |
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LinearRegression(int[] x,
int[] y)
Lineární regrese dvourozměrných dat určená poly x a y. |
Method Summary | |
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protected static double[] |
asDouble(int[] a)
Převedení pole int na double |
protected void |
computeRegression(double[] x,
double[] y)
Vlastní výpočet lineární regrese. |
protected void |
computeRegressionHorizontal(double[] x,
double[] y)
Vlastní výpočet lineární regrese. |
protected void |
computeRegressionVertical(double[] x,
double[] y)
Vlastní výpočet lineární regrese. |
double |
getFi()
Sklon přímky y = fi*x + offset |
double |
getOffset()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected double fi
protected double offset
Constructor Detail |
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public LinearRegression(int[] x, int[] y)
getFi()
a getOffset()
x
- int[]y
- int[]public LinearRegression(double[] x, double[] y)
getFi()
a getOffset()
x
- double[]y
- double[]Method Detail |
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protected static double[] asDouble(int[] a)
a
- int[]
protected void computeRegression(double[] x, double[] y)
x
- double[]y
- double[]protected void computeRegressionHorizontal(double[] x, double[] y)
x
- double[]y
- double[]protected void computeRegressionVertical(double[] x, double[] y)
x
- double[]y
- double[]public double getFi()
public double getOffset()
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