Turn repeated cross sections data into panel data by
imposing rank invariance; does not require
that the inputs have the same length
Usage
cs2panel(cs1, cs2, yname)
Arguments
- cs1
data frame, the first cross section
- cs2
data frame, the second cross section
- yname
the name of the variable to calculate difference for (should be the same in each dataset)
Value
the change in outcomes over time
