utils

This module contains various utilities, often mimicking the R API.

Factor(arr)	A class to represent a factor, as in R.
lm_fit(design, b)	Python equivalent to R lm.fit
lm_wfit(design, b, w)	Python equivalent to R lm.wfit
rnbinom(n, size, mu[, seed])	mimic R rnbinom function, to draw samples from a Negative Binomial distribution.