'Engine' for '_by2' functions

Apply a function to data in pairs (over a facet column).

wrapper_func(data = NULL, func = NULL, xy_grid = NULL, xy_nms = NULL,
  col = NULL, ...)

Arguments

data	data.frame. Data to apply a function over.
func	function. Wrapped by do.call().
xy_grid	data.frame. Output from create_xy_grid().
xy_nms	character (vector). Values to use to create a 'grid' of all combinations of values.
col	character. Name of 'id' column in data.
...	dots. Additional parameters to pass to func.

Value

data.frame.

Details

Should be replaced by a purrr function in the future. Must be careful not to pass NULL in ....