比如说，我有一个字符向量
a [1] “hi come asap, the show is awsome” “我感冒了”
d [1] “asap” “awsome” “cold” “lol” “rofl”
如果在“a”中找到任何单词（来自“d”），我应该用空格替换。我如何在 R 中实现？
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2 回答
4
也许像下面这样的东西对你有用：
a <- c("hi come asap, the show is awsome", "I am suffering from cold")
d <- c("asap", "awsome", "cold", "lol", "rofl")
d[d %in% gsub("[[:punct:]]", "", unlist(strsplit(a, " ")))] <- " "
d
# [1] " " " " " " "lol" "rofl"
或者，相反的方式：
a <- c("hi come asap, the show is awsome", "I am suffering from cold")
d <- c("asap", "awsome", "cold", "lol", "rofl")
gsub(paste(d, collapse = "|"), " ", a)
# [1] "hi come , the show is " "I am suffering from "
于 2013-02-04T07:34:51.567 回答
2
我想我理解但可能是错的。你可以试试：
a <- c("hi come asap, the $#!+ show is awsome", "I am suffering from cold")
d <- c("asap", "awsome", "cold", "lol", "rofl")
library(qdap)
mgsub(d, "", a)
产量：
> mgsub(d, "", a)
[1] "hi come , the $#!+ show is" "I am suffering from"
于 2013-02-04T15:59:29.917 回答