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這可能非常簡單,但是,我有一個向量的短語,其中一些重複,其中一些不,並且我想要一個唯一短語列表,按照最常見的。R排序最常見的發生
例如
vec <- c("hello","hi","hi","greetings","good day", "hi", "hello", "good day","good morning","hello","good day")
sort(unique(vec))
[1] "good day" "good morning" "greetings" "hello" "hi"
我所期望的「喜」,以先再其次是「你好」,然後其次是「好日子」等....
非常感謝許多! – 2013-02-14 11:52:35