Category: R

truncated mixtures

A question on X validated about EM steps for a truncated Normal mixture led me to ponder whether or not a more ambitious completion [more ambitious than the standard component...continue reading.

null recurrent = zero utility?

The stability result that the ratio converges holds for a Harris π-null-recurrent Markov chain for all functions f,g in L¹(π) [Meyn & Tweedie, 1993, Theorem 17.3.2] is rather fascinating. However,...continue reading.

riddle of the week

The Riddler of April 1 offered this simple question: start with the number 1 and then try to reach a target number through a series of steps. For each step,...continue reading.