tidytable (version 0.8.0)

context: Context functions

Description

These functions give information about the "current" group.

• cur_data.() gives the current data for the current group

• cur_column.() gives the name of the current column (for use in across.() only)

• cur_group_id.() gives a group identification number

• cur_group_rows.() gives the row indices for each group

Can be used inside summarize.(), mutate.(), & filter.()

Usage

cur_column.()
cur_data.()
cur_group_id.()
cur_group_rows.()

Examples

df <- data.table(
  x = 1:5,
  y = c("a", "a", "a", "b", "b")
)

df %>%
  mutate.(
    across.(c(x, y), ~ paste(cur_column.(), .x))
  )

df %>%
  summarize.(data = list(cur_data.()),
             .by = y)

df %>%
  mutate.(group_id = cur_group_id.(),
          .by = y)

df %>%
  mutate.(group_rows = cur_group_rows.(),
          .by = y)