org.apache.mahout.cf.taste.impl.common
Interface RunningAverageAndStdDev

All Superinterfaces:
RunningAverage
All Known Implementing Classes:
CompactRunningAverageAndStdDev, FullRunningAverageAndStdDev, InvertedRunningAverageAndStdDev

public interface RunningAverageAndStdDev
extends RunningAverage

Extends RunningAverage by adding standard deviation too.


Method Summary
 double getStandardDeviation()
           
 
Methods inherited from interface org.apache.mahout.cf.taste.impl.common.RunningAverage
addDatum, changeDatum, getAverage, getCount, removeDatum
 

Method Detail

getStandardDeviation

double getStandardDeviation()
Returns:
standard deviation of data


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