https://pypi.org/project/pyfgls/ Recent updates to the Python Package Index for pyfgls en https://pypi.org/project/pyfgls/0.1.0/ Feasible GLS for time series regression and heteroskedasticity of unknown form (Perron & González-Coya 2026; González-Coya & Perron 2024) emiliogc@bu.edu Thu, 15 Oct 2026 20:19:58 GMT