Allison, Paul D. AsymmetricRcode – Supplemental material for Asymmetric Fixed-effects Models for Panel Data <p>Supplemental material, AsymmetricRcode for Asymmetric Fixed-effects Models for Panel Data by Paul D. Allison in Socius</p> causal inference;first difference;fixed effects;generalized least squares;panel data 2019-02-04
    https://sage.figshare.com/articles/dataset/AsymmetricRcode_Supplemental_material_for_Asymmetric_Fixed-effects_Models_for_Panel_Data/7679633
10.25384/SAGE.7679633.v1