GroupedCrunchDataset-class
                        A Crunch Dataset "Grouped By" Something
as_cr_tibble            Flatten a Crunch Cube
autoplot                Autoplot methods for Crunch Objects
collect                 Collect a Crunch dataset from the server
filter                  Filter a Crunch dataset
filter_.CrunchDataset   Filter a Crunch dataset (deprecated)
group_by                Group-by for Crunch datasets
mutate                  Mutate Crunch datasets (not implemented)
select                  Select columns from a Crunch dataset
summarize               Aggregate a Crunch dataset
theme_crunch            Crunch ggplot theme
unweighted_n            Return the unweighted counts from summarize
