Bottom k values

Source code

Description

Return the k smallest elements. This has time complexity: O(n + k \log{}n - )

Usage

<Expr>$bottom_k(k)

Arguments

k	Number of top values to get

Value

Expr

Examples

library(polars)

pl$DataFrame(a = c(6, 1, 0, NA, Inf, NaN))$select(pl$col("a")$bottom_k(5))

#> shape: (5, 1)
#> ┌──────┐
#> │ a    │
#> │ ---  │
#> │ f64  │
#> ╞══════╡
#> │ null │
#> │ 0.0  │
#> │ 1.0  │
#> │ 6.0  │
#> │ inf  │
#> └──────┘