jhaberstro

/*
Dealer repeatedly flips a coin. Sometimes the coin is fair, with P(heads) = 0.5,
sometimes it’s loaded, with P(heads) = 0.8. Dealer occasionally switches coins,
invisibly to you. Given an list of observed coin flips, infer if the coin was
fair for each individual flip.
*/

var hmm = function(n, initial, transitionf, observef) {
  var impl = function(N) {
    if (N > 1) {