Day 4 - SageMaker Tools: Data Wrangler, Processing Job, Feature Store

Over the past three days, we've covered data cleaning and feature engineering at the conceptual and code level. Today we explore three SageMaker services that perform the same work on AWS at scale, with reproducibility, and for reuse.

• Data Wrangler: Visual (no-code) data preparation
• Processing Job: Code-based distributed preprocessing
• Feature Store: Central repository to store, share, and reuse features

MLS-C01 exams frequently ask "which tool fits which situation?" and "why is Feature Store necessary?"

SageMaker Data Wrangler

Data Wrangler is a visual data preparation tool within SageMaker Studio