Category "coefficients"

How to plot coefficients with robust standard errors?

I have this LSDV model using the "lm()" function and adding the country dummy variables minus the intercept. Then I made robust standard errors in order to fix

Coefplot plotting same (name) estimate from different OLS models across three years in a single graph

Using coefplot in Stata, I am unable to plot the same estimate from different models across three years without having the estimates bunch up into a single year

How to get the names of factor levels corresponding to fixed effect regression coefficients for a GAM in R?

I have a gam in R (mgcv package) with 7 parameters, and one of them is a fixed effect with 30 levels (30 names). I want to analyse the regression coefficients f