Class VectorialMean
- java.lang.Object
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- org.apache.commons.math4.legacy.stat.descriptive.moment.VectorialMean
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public class VectorialMean extends Object
Returns the arithmetic mean of the available vectors.- Since:
- 1.2
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Constructor Summary
Constructors Constructor Description VectorialMean(int dimension)Constructs a VectorialMean.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleanequals(Object obj)longgetN()Get the number of vectors in the sample.double[]getResult()Get the mean vector.inthashCode()voidincrement(double[] v)Add a new vector to the sample.
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Constructor Detail
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VectorialMean
public VectorialMean(int dimension)
Constructs a VectorialMean.- Parameters:
dimension- vectors dimension
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Method Detail
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increment
public void increment(double[] v) throws DimensionMismatchException
Add a new vector to the sample.- Parameters:
v- vector to add- Throws:
DimensionMismatchException- if the vector does not have the right dimension
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getResult
public double[] getResult()
Get the mean vector.- Returns:
- mean vector
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getN
public long getN()
Get the number of vectors in the sample.- Returns:
- number of vectors in the sample
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