R里面没有csplit这个函数> apropos("csplit",mode="function")character(0)> apropos("split",mode="function")[1] "split" "split.data.frame" "split.Date" "split.default" "split.POSIXct" "split.screen"[7] "split<-" "split<-.data.frame" "split<-.default" "strsplit" "unsplit"