na_cols: Selecting NA columns
Description
Select or remove columns that are entirely NA
Usage
select_na_cols(x)remove_na_cols(x)
is_na_cols(x, names = TRUE)
Value
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
Arguments
- x
A data.frame
- names
Logical, if TRUE (default) will return column names as names
of vector