search for: specmodul

...out samples. But I don't have these data for all my samples. So if I have data (that is code of the sample is in spec$Code), I would like to assign data1 to the variable m. If I don't have this data, I would like to assign 1 to m. I tried this : m<-spec$data1[spec$Code==code]*(code %in%specmodules$Code) + 1*(!code %in% specmodules$Code) It works when I have the data but if it is not the case I get numeric(0) instead of 1. I finally use the following command. It works but I'm sure there is a more elegant way. if (code %in%spec$Code) m<-spec$data1[spec$Code==code] else m<-1 Is...