Coursera Machine Learning Course2 : UNQ_C2 # GRADED CELL: eval_cat_err def eval_cat_err(y, yhat):

Course Q&A Machine Learning Specialization Advanced Learning Algorithms
23

That’s because your code was still using y_hat inside the function. That’s a global variable that should not be used inside the function.

24

Found the issue. I was using y_hat when it needed to be yhat

25

Good news!

26

Thanks for your guidance - much appreciated

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