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BlogData Science15 Sep 2026

The data cleaning checklist I run before any analysis

Profile first, fix types second, and handle missing values by asking what the blank means rather than reaching for fillna(0). The seven-ste…

BlogData Science22 Aug 2026

OCR on Indian documents: what Tesseract gets right and where it fails

Tesseract reads a clean 300 DPI printed invoice almost perfectly, handles Devanagari headings reasonably, loses tables, and cannot read han…

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