nodejs-polars
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    Function argSortBy

    • Return the row indices that would sort the columns.

      Parameters

      • exprs: string[] | pl.Expr[]

        Column(s) to arg sort by. Accepts expression input.

      • descending: boolean | boolean[] = false

        Sort in descending order. When sorting by multiple columns, can be specified per column by passing a sequence of booleans.

      Returns pl.Expr

      const df = pl.DataFrame({"a": [0, 1, 1, 0], "b": [3, 2, 3, 2],});
      df.select(pl.argSortBy(pl.col("a")));
      shape: (4, 1)
      ┌─────┐
      a
      │ --- │
      u32
      ╞═════╡
      0
      3
      1
      2
      └─────┘