org.apache.mahout.cf.taste.impl.common
Interface RunningAverageAndStdDev
- All Superinterfaces:
- RunningAverage
- All Known Implementing Classes:
- FixedRunningAverageAndStdDev, FullRunningAverageAndStdDev, InvertedRunningAverageAndStdDev, WeightedRunningAverageAndStdDev
public interface RunningAverageAndStdDev
- extends RunningAverage
Extends RunningAverage
by adding standard deviation too.
getStandardDeviation
double getStandardDeviation()
- Returns:
- standard deviation of data
inverse
RunningAverageAndStdDev inverse()
- Specified by:
inverse
in interface RunningAverage
- Returns:
- a (possibly immutable) object whose average is the negative of this object's
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