Tag · data-cleaning

Posts on data-cleaning

2 posts tagged data-cleaning.

2026-04-06

From Dirty CSV to Golden Records: A Python Walkthrough

Take 5,400 messy CMS hospital records from raw CSV to deduplicated golden records. Three approaches compared: zero-config, explicit tuning, LLM boost.

pythondata-cleaningdeduplicationgoldenpipegoldenmatch
2026-04-04

10 Data Problems Every Pipeline Hits and Their Fixes

The same 10 data quality issues show up in every dataset: phone formats, broken dates, null variants. Here's what each looks like and how to fix it.

data-qualitydata-cleaningpythongoldenflowdata-engineeringetldata-transformation
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