Mark Litwintschik • 12/2/2025

Better Boundaries

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This article provides a detailed technical comparison of several level-0 administrative boundary datasets, evaluating their geometric accuracy, country coverage, and metadata. It documents the author's workstation setup, software prerequisites (Python, DuckDB with extensions), and the process for downloading and analyzing OpenStreetMap's Parquet data dump, using QGIS for map rendering.

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#Python #data analysis #Duckdb
Better Boundaries

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