dataframe

Drops duplicate values in dataframe.

Signature

> polars drop-duplicates {flags} (subset)

Flags

• --maintain, -m: maintain order
• --last, -l: keeps last duplicate value (by default keeps first)

Parameters

• subset: subset of columns to drop duplicates

Input/output types:

input	output
any	any

Examples

drop duplicates

> [[a b]; [1 2] [3 4] [1 2]] | polars into-df | polars drop-duplicates
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 3 │ 4 │
│ 1 │ 1 │ 2 │
╰───┴───┴───╯