This is not a bad explanation but when doing this practically it can be useful to take log() of the probabilities so that you work with sums of logs rather than

This is not a bad explanation but when doing this practically it can be useful to take log() of the probabilities so that you work with sums of logs rather than multiplying small floats. http://getpopfile.org/docs/faq:bayesandlogs http://getpopfile.org/docs/faq:bayesandlogs