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chi-squared

chi-squared

Characteristic functions for the chi-squared distribution.

build status

example

> var chi = require('chi-squared')
> chi.pdf(0.5, 1)
0.4393912894677223
> chi.pdf(2.3, 1.4)
0.11695769277348175
> chi.cdf(2, 2)
0.6321204474030797

methods

var chi = require('chi-squared')

chi.pdf(x, k)

Compute the probability density function for the parameter x under k degrees of freedom.

chi.cdf(x, k)

compute the cumulative density function. same parameters as above.

install

With npm do:

npm install chi-squared

license

MIT