摘要: When I try converting a matrix to a data frame, it works for me: > x <- matrix(1:6,ncol=2,dimnames=list(LETTERS[1:3],letters[24:25])) > data.frame(x) 阅读全文
posted @ 2017-05-24 18:34 emanlee 阅读(59) 评论(0) 编辑