Dispersion Packages

Computes the covariance between one or more numeric arrays.

Computes the interdecile range of an array of values.

Provides a method to compute a sample standard deviation incrementally.

Provides a method to compute a sample variance incrementally.

Computes a moving sample standard deviation over a numeric array.

Computes a moving sample variance over a numeric array.

Provides a method to compute a moving sample variance incrementally.

Provides a method to compute a moving sample standard deviation incrementally.

Geometric distribution skewness.

Rayleigh distribution excess kurtosis.

Poisson distribution excess kurtosis.

generate approximate solutions to the max-min-dist dispersion problem

Exponential distribution excess kurtosis.

Rayleigh distribution skewness.

Exponential distribution skewness.

Geometric distribution excess kurtosis.

Generate descriptive statistics.

Calculate the agreement/polarization of ordered rating scales using Cees van der Eijk's (2001) measure of agreement A.

Lognormal distribution standard deviation.

Lognormal distribution variance.