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 standard deviation incrementally.

Provides a method to compute a moving sample variance incrementally.

Poisson distribution excess kurtosis.

Rayleigh distribution excess kurtosis.

Geometric distribution skewness.

Rayleigh distribution skewness.

Geometric distribution excess kurtosis.

Exponential distribution excess kurtosis.

Exponential distribution skewness.

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

Generate descriptive statistics.

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

Compute a sample Pearson product-moment correlation matrix incrementally.

Compute a range incrementally.