Create vector of Stratas
Collapse multiple categorical variables into distinct unique categories. e.g.
as_strata(c(1,1,2,2,2,1), c(5,6,5,5,6,5))
would return
c(1,2,3,3,4,1)
as_strata(...)
...
: numeric/character/factor vectors of the same length## Not run: as_strata(c(1,1,2,2,2,1), c(5,6,5,5,6,5)) ## End(Not run)
Useful links