Data Analysis

Data Cleaning Instructions

Get step-by-step instructions to clean messy data.

I have a messy dataset with these problems: [DESCRIBE ISSUES — e.g., inconsistent date formats, duplicate rows, missing values, mixed text/numbers in one column, trailing spaces]. Give me step-by-step instructions to clean this data in [Excel/Python/Google Sheets]. For each step, show the exact formula, function, or code to use. Order from most critical to least critical.

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