# Example 8.2: Digits of Pi, redux

[This article was first published on

Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.

**SAS and R**, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.

In example 8.1, we considered some simple tests for the randomness of the digits of Pi. Here we develop a different test and implement it. If each digit appears in each place with equal and independent probability, then the places between recurrences of a digit should be Pr(gap = x) = .9^x * .1– the probability the digit recurs immediately is 0.1, the probability it recurs after one

To

**leave a comment**for the author, please follow the link and comment on their blog:**SAS and R**.R-bloggers.com offers

**daily e-mail updates**about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.

Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.