tidytable (version 0.5.8)

expand.: Expand a data.table to use all combinations of values

Description

Generates all combinations of variables found in a dataset.

expand.() is useful in conjunction with joins:

• use with right_join.() to convert implicit missing values to explicit missing values

• use with anti_join.() to find out which combinations are missing

Usage

expand.(.df, ..., .name_repair = "check_unique")

Arguments

.df

A data.frame or data.table

...

Columns to get combinations of

.name_repair

Treatment of duplicate names. See ?vctrs::vec_as_names for options/details

Examples

# NOT RUN {
test_df <- tidytable(x = 1:2, y = 1:2)

test_df %>%
  expand.(x, y)
# }