unnest: Unnest list-columns

In tidytable: Tidy Interface to 'data.table'

Unnest list-columns

Description

Unnest list-columns.

Usage

unnest(
  .df,
  ...,
  keep_empty = FALSE,
  .drop = TRUE,
  names_sep = NULL,
  names_repair = "unique"
)

Arguments

.df	A data.table
...	Columns to unnest If empty, unnests all list columns. tidyselect compatible.
keep_empty	Return NA for any NULL elements of the list column
.drop	Should list columns that were not unnested be dropped
names_sep	If NULL, the default, the inner column names will become the new outer column names. If a string, the name of the outer column will be appended to the beginning of the inner column names, with names_sep used as a separator.
names_repair	Treatment of duplicate names. See ?vctrs::vec_as_names for options/details.

Examples

df1 <- tidytable(x = 1:3, y = 1:3)
df2 <- tidytable(x = 1:2, y = 1:2)
nested_df <-
  data.table(
    a = c("a", "b"),
    frame_list = list(df1, df2),
    vec_list = list(4:6, 7:8)
  )

nested_df %>%
  unnest(frame_list)

nested_df %>%
  unnest(frame_list, names_sep = "_")

nested_df %>%
  unnest(frame_list, vec_list)

tidytable documentation built on Sept. 11, 2024, 8:05 p.m.