Get the DataFrame as a List of Series

Source code

Description

Get the DataFrame as a List of Series

Usage

<DataFrame>$get_columns()

Value

A list of Series

See Also

• \$to_list(): Similar to this method but returns a list of vectors instead of Series.

Examples

library(polars)

df = pl$DataFrame(foo = 1L:3L, bar = 4L:6L)
df$get_columns()

#> [[1]]
#> polars Series: shape: (3,)
#> Series: 'foo' [i32]
#> [
#>  1
#>  2
#>  3
#> ]
#> 
#> [[2]]
#> polars Series: shape: (3,)
#> Series: 'bar' [i32]
#> [
#>  4
#>  5
#>  6
#> ]

df = pl$DataFrame(
  a = 1:4,
  b = c(0.5, 4, 10, 13),
  c = c(TRUE, TRUE, FALSE, TRUE)
)
df$get_columns()

#> [[1]]
#> polars Series: shape: (4,)
#> Series: 'a' [i32]
#> [
#>  1
#>  2
#>  3
#>  4
#> ]
#> 
#> [[2]]
#> polars Series: shape: (4,)
#> Series: 'b' [f64]
#> [
#>  0.5
#>  4.0
#>  10.0
#>  13.0
#> ]
#> 
#> [[3]]
#> polars Series: shape: (4,)
#> Series: 'c' [bool]
#> [
#>  true
#>  true
#>  false
#>  true
#> ]