Package org.apache.commons.math.stat.descriptive.moment
Summary statistics based on moments.

Class Summary Class Description FirstMoment Computes the first moment (arithmetic mean).FourthMoment Computes a statistic related to the Fourth Central Moment.GeometricMean Returns the geometric mean of the available values.Kurtosis Computes the Kurtosis of the available values.Mean Computes the arithmetic mean of a set of values.SecondMoment Computes a statistic related to the Second Central Moment.SemiVariance Computes the semivariance of a set of values with respect to a given cutoff value.Skewness Computes the skewness of the available values.StandardDeviation Computes the sample standard deviation.ThirdMoment Computes a statistic related to the Third Central Moment.Variance Computes the variance of the available values.VectorialCovariance Returns the covariance matrix of the available vectors.VectorialMean Returns the arithmetic mean of the available vectors. 
Enum Summary Enum Description SemiVariance.Direction The direction of the semivariance  either upside or downside.