The complete model

Finally we put all those pieces together and we have the complete HMM model, which is actually rather simple.
1 minute 47 seconds
Excellent 2
Very helpful 0
Quite helpful 4
Slightly helpful 1
Confusing 0
No rating 0
My brain hurts 0
Really quite difficult 0
Getting harder 0
Just right 5
Pretty simple 2
No rating 0