Remove columns

Description

Remove columns

Usage

<DataFrame>$drop(..., strict = TRUE)

Arguments

…	\<dynamic-dots\> Names of the columns that should be removed. Accepts column selector input.
strict	Validate that all column names exist in the current schema, and throw an exception if any do not.

Value

A polars DataFrame

Examples

library("polars")

# Drop columns by passing the name of those columns
df <- pl$DataFrame(
  foo = 1:3,
  bar = c(6, 7, 8),
  ham = c("a", "b", "c")
)
df$drop("ham")

#> shape: (3, 2)
#> ┌─────┬─────┐
#> │ foo ┆ bar │
#> │ --- ┆ --- │
#> │ i32 ┆ f64 │
#> ╞═════╪═════╡
#> │ 1   ┆ 6.0 │
#> │ 2   ┆ 7.0 │
#> │ 3   ┆ 8.0 │
#> └─────┴─────┘

df$drop("ham", "bar")

#> shape: (3, 1)
#> ┌─────┐
#> │ foo │
#> │ --- │
#> │ i32 │
#> ╞═════╡
#> │ 1   │
#> │ 2   │
#> │ 3   │
#> └─────┘

# Drop multiple columns by passing a selector
df$drop(cs$all())

#> shape: (0, 0)
#> ┌┐
#> ╞╡
#> └┘