Uwe, > Thanks but I have to disappoint you the correct result should be 10.1
ah, well. :) i realized you probably wanted the table back. below it is, with your explanation of "@3$3". > Thanks I will play around a bit, but for the moment I think I have to > stick with calc well, takes all kinds. :) cheers, Gerg ---- #+begin_src R :var some=thing :session R :colnames yes ## in imported colnames, spaces are replaced with periods some[, "Result"] <- ifelse(some[, "DMNI.H"] > 10, (some[, "DMNI.H"] - 10.0) * (some[X == "Weight:", "Weight2"]), 0.0) + (min(10, some[, "DMNI.H"]) * some[X == "Weight:", "ExNDM.I"]) + (ifelse(some[, "ExNDNM.J"] > 10, some[, "ExNDNM.J"] - 10 * some[X == "Weight:", "DMNI.H"], 0)) + (min(10, some[, "ExNDNM.J"]) * some[X == "Weight:", "ExNDNM.J"]) + (some[X == "Weight:", "Result"] * some[, "Result"]) some #+end_src #+RESULTS: | X | DMI.G | DMNI.H | ExNDM.I | ExNDNM.J | Result | Weight2 | |---------+-------+--------+---------+----------+--------+---------| | Weight: | 1 | 0.2 | 1 | 0.1 | | 0.1 | | User1 | 0 | 0 | 11 | 0 | 10.1 | |