Class VectorialMean
- java.lang.Object
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- org.apache.commons.math.stat.descriptive.moment.VectorialMean
 
 
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- All Implemented Interfaces:
 java.io.Serializable
public class VectorialMean extends java.lang.Object implements java.io.SerializableReturns the arithmetic mean of the available vectors.- Since:
 - 1.2
 - See Also:
 - Serialized Form
 
 
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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(java.lang.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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Method Detail
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increment
public void increment(double[] v) throws DimensionMismatchExceptionAdd 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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hashCode
public int hashCode()
- Overrides:
 hashCodein classjava.lang.Object
 
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equals
public boolean equals(java.lang.Object obj)
- Overrides:
 equalsin classjava.lang.Object
 
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