This function takes a time-invariant variable and repeats it
for each period in a panel data set.
Usage
time_invariant_to_panel(x, df, idname, balanced_panel = TRUE)
Arguments
- x
a vector of length equal to the number of unique ids in df.
- df
the data.frame used in the function
- idname
name of column that holds the unit id
- balanced_panel
a logical indicating whether the panel is balanced.
If TRUE, the function will optimize the repetition process. Default
is TRUE.
Value
a vector of length equal to the number of rows in df.