dfr count-null
for dataframe
Counts null values.
WARNING
Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe
flag
Signature
> dfr count-null {flags}
Input/output types:
input | output |
---|---|
any | any |
Examples
Counts null values
> let s = ([1 1 0 0 3 3 4] | dfr into-df);
($s / $s) | dfr count-null
╭───┬────────────╮
│ # │ count_null │
├───┼────────────┤
│ 0 │ 2 │
╰───┴────────────╯