# Package org.apache.commons.math3.stat.descriptive.moment

Summary statistics based on moments.

See: Description

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.

## Package org.apache.commons.math3.stat.descriptive.moment Description

Summary statistics based on moments.