Extracts the observations used for the estimation
This function extracts the observations used in fixest estimation.
obs(x)
x |
A |
It returns a simple vector of integers.
base = iris
names(base) = c("y", "x1", "x2", "x3", "species")
base$y[1:5] = NA
# Split sample estimations
est_split = feols(y ~ x1, base, split = ~species)
(obs_setosa = obs(est_split$setosa))
(obs_versi = obs(est_split$versicolor))
est_versi = feols(y ~ x1, base, subset = obs_versi)
etable(est_split, est_versi)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.