Which statement is true in the context of evaluating metrics for machine learning algorithms?

exams C1000-059 C1000-059 exam 0 Comments

Which statement is true in the context of evaluating metrics for machine learning algorithms?
A . A random classifier has AUC (the area under ROC curve) of 0.5
B . Using only one evaluation metric is sufficient
C . The F-score is always equal to precision
D . Recall of 1 (100%) is always a good result

Answer: B