ungroup.: Grouping

In tidytable: Tidy Interface to 'data.table'

Grouping

Description

• group_by() adds a grouping structure to a tidytable. Can use tidyselect syntax.

• ungroup() removes grouping.

Usage

ungroup.(.df, ...)

Arguments

.df	A data.frame or data.table
...	Columns to group by

Examples

df <- data.table(
  a = 1:3,
  b = 4:6,
  c = c("a", "a", "b"),
  d = c("a", "a", "b")
)

df %>%
  group_by(c, d) %>%
  summarize(mean_a = mean(a)) %>%
  ungroup()

# Can also use tidyselect
df %>%
  group_by(where(is.character)) %>%
  summarize(mean_a = mean(a)) %>%
  ungroup()

tidytable documentation built on Oct. 5, 2023, 5:07 p.m.