Closed etiennebacher closed 1 month ago
import polars as pl pl.DataFrame({"x": [1, 2, None]}).with_columns(y=pl.col("x").len()) shape: (3, 2) ┌──────┬─────┐ │ x ┆ y │ │ --- ┆ --- │ │ i64 ┆ u32 │ ╞══════╪═════╡ │ 1 ┆ 3 │ │ 2 ┆ 3 │ │ null ┆ 3 │ └──────┴─────┘
library(polars) pl$DataFrame(x = c(1, 2, NA))$with_columns(y = pl$col("x")$len()) shape: (3, 2) ┌──────┬─────┐ │ x ┆ y │ │ --- ┆ --- │ │ f64 ┆ u32 │ ╞══════╪═════╡ │ 1.0 ┆ 2 │ │ 2.0 ┆ 2 │ │ null ┆ 2 │ └──────┴─────┘