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Inverse Chi-squared cumulative distribution function Build Status Coverage Status

inv-chisquare-cdf is an alternative implementation of the jStat.chisquare.inv in the jStat package using ES6.

Install

$ npm install --save inv-chisquare-cdf

Functions

  • invChiSquareCDF(probability, degreeOfFreedom) Returns the inverse chi-square cdf with "degreeOfFreedom" for the "probability" using the Lanczos approximation.

  • invRegLowGamma(p, a) Returns the inverse of the lower regularized incomplete Gamma function evaluated at (p,a).

  • regLowGamma(a, x) Returns the lower regularized incomplete gamma function evaluated at (a,x).

  • logGamma(x) Returns the logarithm of the gamma function

Bibliography