Google Cloud Professional Machine Learning Engineer PMLE — Topic 1 Question 48

Question

You started working on a classification problem with time series data and achieved an area under the receiver operating characteristic curve (AUC ROC) value of 99% for training data after just a few experiments. You haven't explored using any sophisticated algorithms or spent any time on hyperparameter tuning. What should your next step be to identify and fix the problem?

Accepted Answer

Correct answer: C. The correct answer is C. Option C: Address data leakage by removing features highly correlated with the target value.

Google Cloud Professional Machine Learning Engineer PMLE — Question 48