Easily add a categorical covariate to a data frame
add_factor(data, x, id_var = "id")
data | the original data frame |
---|---|
x | A named vector containing the category for each individual. The names should specify the individual id. |
id_var | name of the id variable in |
A data frame with one column added. The new column will
have same name as the variable passed as input x
.
Other data frame handling functions:
add_dis_age()
,
add_factor_crossing()
,
adjusted_c_hat()
,
new_x()
,
split()