we don’t need the third column, and maybe it’s not present
force size_x and size_y to be minimum one
bug fix, the alphabets cannot contain the 0-epsilon symbol
recreate correctness data removing the 0 alphabet symbols
define phmm correctness model making sure that the initial probability of all states is non zero and reduce the alphabets size from 16 & 17 to 12 & 13 respectively
bug fix, was exp’ing a factor. And prepared for debugging