Convert a Data Frame Object to a List Suitable For Use

A helper function to convert data.frames or objects inheriting from data.frame, e.g. tibble::tibble() or data.table::data.table() into a list suitable for use in extractOz functions.

Usage

df_to_list(x, names = 1, lonlat = 2:3)

Arguments

x: data.frame. A three column object with the first column being the location name, the second longitude, named "x", and the third, latitude, named "y", as decimal degrees in numeric format.
names: Integer. The column in which the location names are located. Defaults to 1.
lonlat: Vector. A set of integer values indicating the column index in which the longitude and latitude values are contained. Defaults to 2:3.

Value

A list object suitable for use in any of the extract functions in extractOz.

Author

Adam H. Sparks, adamhsparks@gmail.com

Examples

library(readr)

read_csv(system.file(
  "extdata",
  "sample_points.csv",
  package = "extractOz",
  mustWork = TRUE
)) |>
  df_to_list(names = 1, lonlat = 2:3)
#> Rows: 3 Columns: 3
#> ── Column specification ────────────────────────────────────────────────────────
#> Delimiter: ","
#> chr (1): site
#> dbl (2): x, y
#> 
#> ℹ Use `spec()` to retrieve the full column specification for this data.
#> ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.
#> $Merredin
#>      x      y 
#> 118.28 -31.48 
#> 
#> $Corrigin
#>      x      y 
#> 117.87 -32.33 
#> 
#> $Tamworth
#>      x      y 
#> 150.84 -31.07 
#>