# 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.

Copyright (c) 2003-2013 Apache Software Foundation