Ma fonction qui importe les données : st = function (stods,stsheet){ st = read.ods(stods,stsheet) st=t(st) colnames(st)=st[1,] st=st[-1,] write.table(st,paste(stsheet,".txt",sep = "")) st = read.table(paste(stsheet,".txt",sep = ""),h=T) return(st) } st_2 = st(...