Michael Chavinda personal blog
What category theory teaches us about dataframes
Every dataframe library ships with hundreds of operations. pandas alone has over 200 methods on a DataFrame. Is pivot different from melt? Is apply different from map? What about transform, agg, applymap, pipe? Some of these seem like the same operation wearing different hats. Others seem genuinely distinct. Without a…
- Points
- 190
- HN comments
- 65
- Submissions
- 1
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Databases & DataSoftware Engineering2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Mar 29, 2026 | What category theory teaches us about dataframes by mchav | 190 | 65 |
