ValueError: Data is not binary and pos_label is not specified

Question

I am trying to calculate roc_auc_score, but I am getting following error.

\"ValueError: Data is not binary and pos_label is not specified\"
         


        

Answer 1

We have problem in y_true=np.array(['0', '1', '0', '0', '1', '1', '1', '1', '1']) Convert values of y_true to Boolean

y_true= '1' <= y_true
print(y_true) # [False  True False False  True  True  True  True  True]