obs: Extracts the observations used for the estimation

obsR Documentation

Extracts the observations used for the estimation

Description

This function extracts the observations used in fixest estimation.

Usage

obs(x)

Arguments

x

A fixest object.

Value

It returns a simple vector of integers.

Examples


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[[1]]))
(obs_versi = obs(est_split[sample = "versi", drop = TRUE]))

est_versi = feols(y ~ x1, base, subset = obs_versi)

etable(est_split, est_versi)





fixest documentation built on June 22, 2024, 9:12 a.m.