AI & Machine Learning

How I Cleaned Messy HR Dataset Using PostgreSQL: A Step-by-Step Guide

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A step-by-step guide details how to clean a messy HR dataset using PostgreSQL, transforming raw data into an analysis-ready format. The process involves creating a database, performing an initial data quality assessment, and systematically cleaning columns by standardizing names, removing duplicates and special characters, and correcting numerical and date formats. This ensures data accuracy for business reporting and analysis.

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