https://pypi.org/project/within-py/ Recent updates to the Python Package Index for within-py en https://pypi.org/project/within-py/0.1.0/ High-performance fixed-effects solver for econometric panel data alexander-fischer1801@t-online.de, k.schroeder@appliedai-institute.de Tue, 17 Mar 2026 20:00:28 GMT