Probability Packages

Statistical routines and probability distributions.

Simple Statistics

characteristic functions for chi-squared distributions

Small weighted-probability list library (node.js port fork)

Normal distribution probability density function (PDF)

Statistical trials to generate simple outcomes

A small javascript module for working with normal distributions

Odds conversion and formatting library

A simple function for calculating the chi-squared probability for a given observation set and expected set"

Lognormal distribution probability density function (PDF)

Utilities for creating and using probability tables.

Generate pseudorandom numbers and sample probability distributions with optional seed and choice of algorithm.

Generate random variables from a variety of probability distributions. Includes tools to shuffle an array or sample from it.

Package implements various statistics and distribution function

Normal distribution cumulative distribution function (CDF).

Powerful mathematics and statistics library for JavaScript.

Simple functions for simulating Poisson Processes, Brownian motion, geometric Brownian motion, discrete/continuous-time Markov chains, and normal random variables

Simple to use, completely useful

Truncated normal distribution probability density function (PDF)

Uniform distribution probability density function (PDF).