PROFESSIONAL-MACHINE-LEARNING-ENGINEER · Question #7
PROFESSIONAL-MACHINE-LEARNING-ENGINEER Question #7: Real Exam Question with Answer & Explanation
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Question
You are building a model to predict daily temperatures. You split the data randomly and then transformed the training and test datasets. Temperature data for model training is uploaded hourly. During testing, your model performed with 97% accuracy; however, after deploying to production, the model's accuracy dropped to 66%. How can you make your production model more accurate?
Options
- ANormalize the data for the training, and test datasets as two separate steps.
- BSplit the training and test data based on time rather than a random split to avoid leakage.
- CAdd more data to your test set to ensure that you have a fair distribution and sample for testing.
- DApply data transformations before splitting, and cross-validate to make sure that the
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