na_cols {mark} | R Documentation |
Select or remove columns that are entirely NA
select_na_cols(x)
remove_na_cols(x)
is_na_cols(x, names = TRUE)
x |
A |
names |
Logical, if |
select_na_cols()
x
with only columns that are all NA
remove_na_cols()
x
without columns of only NA
is_na_cols()
a logical vector: TRUE
all rows of column are NA
,
otherwise FALSE