wfe
(Package: wfe) :
Fitting the Weighted Fixed Effects Model for Causal Inference
wfe is used to fit weighted fixed effects model for causal inference. wfe also derives the regression weights for different causal quantity of interest.
pwfe
(Package: wfe) :
Fitting the Weighted Fixed Effects Model with Propensity Score Weighting
pwfe is used to fit weighted fixed effects model for causal inference after transforming outcome variable based on estimated propensity score. pwfe also derives the regression weights for different causal quantity of interest.
providing 
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