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2025

Tag

Blog posts

2025-09-25 Parquet with GEOMETRY type is not GeoParquet
2025-08-10 Parse, don't validate
2025-08-09 Hello World
2025-08-09 Know your candidate to uninominal deputy (Bolivia)

Works

Data format for cartograms — Data format for cartograms
Personal projects 2025 Library

Awesome Parquet, a curated list of resources about the Parquet file format — Awesome Parquet, a curated list of resources about the Parquet file format
Personal projects 2025 Parquet

Getting started with cosovo, a CSV fetching and parsing library — Getting started with cosovo, a CSV fetching and parsing library
Personal projects 2025 CSV Library TypeScript

Diff of two Parquet files on Hugging Face — Diff of two Parquet files on Hugging Face
Hugging Face 2025 Hyparquet Observable Parquet

CSV viewer for Source Cooperative — CSV viewer for Source Cooperative
Radiant Earth 2025 CSV React Table TypeScript

Tool to find regional Foursquare places data files on a map — Tool to find regional Foursquare places data files on a map
Personal projects 2025 Map Observable Plot

Cartogram of Bolivia, where the size of each department is proportional to the number of deputies — Cartogram of Bolivia, where the size of each department is proportional to the number of deputies
Personal projects 2025 Bolivia

Cartogram of Bolivia, where the size of each department is proportional to the number of representatives — Cartogram of Bolivia, where the size of each department is proportional to the number of representatives
Personal projects 2025 Bolivia

Classification of a cycling race, highlighting the performance of young Seixas — Classification of a cycling race, highlighting the performance of young Seixas
Personal projects 2025 Observable Plot Sport Wikidata

Diff of two Parquet files on Hugging Face — Diff of two Parquet files on Hugging Face
Hugging Face 2025 Hyparquet Observable Parquet