Hi! I have been stuck on this problem for a while and eventually found out a solution, so here it is: All test passed in the definition of the function, but I got an error running this cell: new_y_test = y_test.map(one_hot_matrix) new_y_train = y_train.map(one_hot_matrix) ValueError: Shape must …

Nevermind, I found the problem in my code. I forgot to check the documentation :smirk:

Course 2 Week 3 one_hot_matrix error

nramon September 2, 2021, 8:37am 5

Let me know if this helps.

Good luck with the assignment