PROFESSIONAL-MACHINE-LEARNING-ENGINEER · Question #195
PROFESSIONAL-MACHINE-LEARNING-ENGINEER Question #195: Real Exam Question with Answer & Explanation
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Question
You work for a retail company. You have a managed tabular dataset in Vertex AI that contains sales data from three different stores. The dataset includes several features, such as store name and sale timestamp. You want to use the data to train a model that makes sales predictions for a new store that will open soon. You need to split the data between the training, validation, and test sets. What approach should you use to split the data?
Options
- AUse Vertex AI manual split, using the store name feature to assign one store for each set
- BUse Vertex AI default data split
- CUse Vertex AI chronological split, and specify the sales timestamp feature as the time variable
- DUse Vertex AI random split, assigning 70% of the rows to the training set, 10% to the validation
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