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Prepare for grouping and other operations

Source: R/distinct.R, R/group-by.R
group_by_prepare.Rd

*_prepare() performs standard manipulation that is needed prior to actual data processing. They are only be needed by packages that implement dplyr backends.

Usage

distinct_prepare(
  .data,
  vars,
  group_vars = character(),
  .keep_all = FALSE,
  caller_env = caller_env(2),
  error_call = caller_env()
)

group_by_prepare(
  .data,
  ...,
  .add = FALSE,
  .dots = deprecated(),
  add = deprecated(),
  error_call = caller_env()
)

Value

A list

data

Modified tbl

groups

Modified groups