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java.lang.Object com.sun.labs.minion.clustering.ClusterStatisticsImpl
public class ClusterStatisticsImpl
An implementation of the cluster statistics interface.
Constructor Summary | |
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ClusterStatisticsImpl()
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Method Summary | |
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void |
add(double d)
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double |
mean()
Calculates the mean distance of the cluster elements from the cluster centroid. |
int |
size()
Gets the number of elements in the cluster. |
java.lang.String |
toString()
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double |
variance()
Calculates the variance of the distance of the cluster elements from the cluster centroid. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ClusterStatisticsImpl()
Method Detail |
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public void add(double d)
public int size()
ClusterStatistics
size
in interface ClusterStatistics
public double mean()
mean
in interface ClusterStatistics
public double variance()
variance
in interface ClusterStatistics
public java.lang.String toString()
toString
in class java.lang.Object
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