search for: alsen

..., name.dat=names(x)[1:3])}, mydata_list, col1=1:3, pos=mypos, MoreArgs=list(xvar=ind.xvar, yvar=k)) Thanks in advance for any hints. Ivan #create data (it looks horrible with these datasets but it doesn't matter here) mydata1 <- structure(list(species = structure(1:8, .Label = c("alsen", "gogor", "loalb", "mafas", "pacyn", "patro", "poabe", "thgel"), class = "factor"), fruit = c(0.52, 0.45, 0.43, 0.82, 0.35, 0.9, 0.68, 0), Asfc = c(207.463765, 138.5533755, 70.4391735, 160.9742745, 41.455809,...

Dear Jim, Here is again exactly what I did and with the output of Rprof (with this reduced dataset and with a simpler function, it is here much faster than in real life). Thanks you again for your help! ## CODE ## mydata1<- structure(list(species = structure(1:8, .Label = c("alsen","gogor", "loalb", "mafas", "pacyn", "patro", "poabe", "thgel"), class = "factor"), fruit = c(0.52, 0.45, 0.43, 0.82, 0.35, 0.9, 0.68, 0), Asfc = c(207.463765, 138.5533755, 70.4391735, 160.9742745, 41.455809, 11...