Python Programming
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๐งน Data Cleaning in Python โ Key Takeaway
60โ80% of a data professionalโs time goes into cleaning, not modeling.
๐น Understand structure
๐น Explore before cleaning
๐น Standardize formats
๐น Handle missing data wisely
๐น Review duplicates & outliers
๐น Prepare data for use
๐ก Clean data isnโt perfect โ itโs usable.
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