Câu 59: Google Cloud Professional Machine Learning Engineer

You work for a bank and are building a random forest model for fraud detection. You have a dataset that includes transactions, of which 1% are identified as fraudulent. Which data transformation strategy would likely improve the performance of your classifier?

1. A. Write your data in TFRecords.
2. B. Z-normalize all the numeric features.
3. C. Oversample the fraudulent transaction 10 times. — đáp án hiện tại
4. D. Use one-hot encoding on all categorical features.