search for: group4d

...y subset each group with the following type of code. data=read(...) #L v D L=data[LvD %in% c("L"),] D=data[LvD %in% c("D"),] #Groups 3 and 4 within L and D group3L=L[group %in% c("3"),] group4L=L[group %in% c("3"),] group3D=D[group %in% c("3"),] group4D=D[group %in% c("3"),] #Times B, S45, FR2, FR8 you get the idea Is there a more efficient way to subset groups? Thanks for any insight. Regards, Charles [[alternative HTML version deleted]]