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我有兩個向量,v1和v2。我想找到v2中的任何字符串,這些字符串也在v1中,然後將匹配添加到一個新的向量中。例如,測試成員資格並追加到R?
v1 <- c("foo", "bar", "baz")
v2 <- c("zoo", "zap", "foo")
# the code below is not remotely correct
# hopefully it demonstrates what I want to do:
matches <- c()
for(i in v2) {
if(i %in% v1) {
matches.append(i) }}
'相交(V1, V2)' – baptiste