dfr arg-min
for dataframe
Return index for min value in series.
Signature
> dfr arg-min
Examples
Returns index for min value
> [1 3 2] | dfr into-df | dfr arg-min
╭───┬─────────╮
│ # │ arg_min │
├───┼─────────┤
│ 0 │ 0 │
╰───┴─────────╯