工作,我有以下變量:ifelse不是R中
a
welcome
put to
look at
sorted for
我要搜索字符串:
if have string "come" then b="home"
if have string "to" then b="where"
if have string "sorted" then b="done"
if have string "look" then b="great"
輸出
a b
welcome home
put to where
look at great
sorted for done
我嘗試下面的代碼。
let$b <- ifelse(grepl("come", let$a), "home",
ifelse(grepl("to", let$a), "where",
ifelse(grepl("sorted", let$a), "done",
ifelse(grepl("look", let$a), "great","")))
上面的代碼無法正常工作。
ifintse有錯字需要多一個')' – Batanichek
如果我們在搜索類別中有/如何處理 – 12345
@ 12345請問您可以舉一些例子 – akrun