This post is inspired by two posts written by Valentine Svensson:

http://www.nxn.se/valent/2017/11/16/droplet-scrna-seq-is-not-zero-inflated

http://www.nxn.se/valent/2018/1/30/count-depth-variation-makes-Poisson-scrna-seq-data-negative-binomial

The original ipython notebook can be found at <a href=“https://github.com/vals/Blog/blob/master/1711