Program logic bugs vs input/environmental errors

[Walter Bright via Digitalmars-d]

On 10/11/2014 1:34 PM, Nick Sabalausky wrote:
> Having previously played around with PRNG's (using them, not actually creating
> them), I had noticed that you do tend to get surprisingly long runs of one value
> missing, or the occasional clustering. I carefully used that knowledge to help
> me cheat.

Election fraud is often detected by examining the randomness of the least 
significant digits of the vote totals.