dfr is-unique
for dataframe
Creates mask indicating unique values.
Signature
> dfr is-unique {flags}
Input/output types:
input | output |
---|---|
any | any |
Examples
Create mask indicating unique values
> [5 6 6 6 8 8 8] | dfr into-df | dfr is-unique
╭───┬───────────╮
│ # │ is_unique │
├───┼───────────┤
│ 0 │ true │
│ 1 │ false │
│ 2 │ false │
│ 3 │ false │
│ 4 │ false │
│ 5 │ false │
│ 6 │ false │
╰───┴───────────╯
Create mask indicating duplicated rows in a dataframe
> [[a, b]; [1 2] [1 2] [3 3] [3 3] [1 1]] | dfr into-df | dfr is-unique
╭───┬───────────╮
│ # │ is_unique │
├───┼───────────┤
│ 0 │ false │
│ 1 │ false │
│ 2 │ false │
│ 3 │ false │
│ 4 │ true │
╰───┴───────────╯
Tips: Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe
flag