A implementation of the shifted Beta Geometric model for customer retention based on the paper by Fader and Hardie.

Example of fitting the Normal Distribution to a set of observations and calculating the confidence intervals of the parameters.

A simple example of repeated random sampling for a stock with a Normal rate of return.

We build a Linear Integer Program to create the best 25 man roster baseball team given MLB player statistics.

A project done for the reproducible research coursera class.