org.apache.mahout.math.hadoop.stats
Class VarianceTotals
java.lang.Object
org.apache.mahout.math.hadoop.stats.VarianceTotals
public final class VarianceTotals
- extends Object
Holds the total values needed to compute mean and standard deviation
Provides methods for their computation
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
VarianceTotals
public VarianceTotals()
getSumOfSquares
public double getSumOfSquares()
setSumOfSquares
public void setSumOfSquares(double sumOfSquares)
getSum
public double getSum()
setSum
public void setSum(double sum)
getTotalCount
public double getTotalCount()
setTotalCount
public void setTotalCount(double totalCount)
computeMean
public double computeMean()
computeVariance
public double computeVariance()
computeVarianceForGivenMean
public double computeVarianceForGivenMean(double mean)
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