我正在尝试理解我的队友编写的代码。然而,有几行我看不懂。你能帮我解释一下这些代码行的作用吗?
ctrlv_sum_IBD 是数据帧。
column_types<-as.vector(sapply(ctrlv_sum_IBD, class))
column_types<-gsub("character","text",column_types)
column_appended<-toString(unlist(lapply(seq_along(column), function(i)( paste(column[[i]],
column_types[[i]])))))
(ctrlv_sum_IBD <- data.frame(
a="i am text",
b=factor("im a factor"),
x=1
))
column <- names(ctrlv_sum_IBD)
(column_types <- as.vector(sapply(ctrlv_sum_IBD, class)))
(column_types <- gsub("character", "text", column_types))
(column_appended <- toString(unlist(lapply(seq_along(column), function(i) {
(paste(
column[[i]],
column_types[[i]]
))
}))))
"a text, b factor, x numeric"