R null 목록
코드 예제
제 null 요소의 목록에서 r
require(tidyverse)
# this works
compact(mylist)
# or this
mylist %>% discard(is.null)
# or this
# pipe "my_list" data object into function "keep()", make lambda function inside "keep()" to return TRUE FALSE.
mylist %>% keep( ~ !is.null(.) )
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