![An improved simulation of card shuffling](https://blogs.sas.com/content/iml/files/2011/04/bakermap-360x336.png)
Last week I presented the GSR algorithm, a statistical model of a riffle shuffle. In the model, a deck of n cards is split into two parts according to the binomial distribution. Each piece has roughly n/2 cards. Then cards are dropped from the two stacks according to the number