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Amazon SageMaker is a fully managed service for data science and machine learning (ML) workflows. You can use Amazon SageMaker to simplify the process of building, training, and deploying ML models.

First-K Picks the first K rows. If data is ordered (e.g., by date), this introduces bias. No 🚫 No Random Picks K random rows from the entire dataset. Distribution depends on original data. ⚠️ ...