grouping_sets {rollup} | R Documentation |
grouping_sets
Description
Compute total amounts at different group levels, producing multiple subtotals. With the 'grouping_sets' clause following 'group_by', you can aggregate multiple grouping variables in one operation. This reflects the 'GROUPING SETS' operations in 'SQL'.
Usage
grouping_sets(df, ...)
Arguments
df |
dataframe or grouped df |
... |
grouping variables |
Value
A list of 'grouped_df' class. each 'grouped_df' object has a different grouping level.
Examples
mtcars %>% group_by(vs, am) %>% grouping_sets("vs","am",c("vs","am"))
mtcars %>% group_by(vs, am) %>% with_rollup()
mtcars %>% group_by(vs, am) %>% with_cube()
[Package rollup version 0.1.0 Index]