Subset repeated measure data in R

前端未结

关注

 0  1133

For the follwoing data set

ndat=data.frame(id=c(2,2,3,3,3,3,4,4,5,5,5,5,6,6,6),
                    vc=c("bl",\'m0\', "bl","m0",


                      
              相关标签: