Added regressio

Author: Daniel J. Kim

PyData/UsefulPackages.txt

@@ -9,6 +9,7 @@ scikit-learn
 
 # statistics
 pingouin: https://pingouin-stats.org/index.html
+regressio: https://github.com/brendanartley/Regressio
 
 # pandas related
 pandas-profiling: https://github.com/pandas-profiling/pandas-profiling
@@ -74,6 +75,8 @@ fastparquet
 dampr: https://github.com/Refefer/Dampr
 datatable: https://github.com/h2oai/datatable (Windows not supported yet)
 ibis: http://ibis-project.org/
+polars: https://github.com/pola-rs/polars
+duckdb: https://github.com/duckdb/duckdb
 
 # visualization libraries
 MATPLOTLIB