mutate_last: mutate_last

In willdebras/mutatemore: Adds Helper Mutate Functions

Description

A function like mutate but operates only within a group_by and only operates on the last group rather than every group.

Usage

mutate_last(.data, ...)

Arguments

.data	a dataframe or data table
...	conditions or set of conditions to mutate on last/greatest group

Value

a mutated dataframe or data table

Examples

DF %>%
group_by(is.exit = measure == 'exit') %>%
  mutate_last(qty.exit = qty, cf = 0, delta.watts = 13) %>%
  ungroup() %>%
  select(-is.exit)

willdebras/mutatemore documentation built on May 29, 2019, 12:03 a.m.