DFplyr-package          Treat a 'S4Vectors::DataFrame' as a 'dplyr'
                        data source
arrange.DataFrame       Order rows using column values
count.DataFrame         Count the observations in each group
desc                    Descending order
distinct.DataFrame      Keep distinct/unique rows
filter.DataFrame        Keep rows that match a condition
format.DataFrame        Encode in a Common Format
group_by.DataFrame      Group by one or more variables
group_by_drop_default.DataFrame
                        Default value for .drop argument of group_by
group_data.DataFrame    Grouping metadata
group_vars.DataFrame    Grouping metadata
mutate.DataFrame        Create, modify, and delete columns
pull.DataFrame          Extract a single column
rename2                 Rename columns
select.DataFrame        Keep or drop columns using their names and
                        types
slice.DataFrame         Subset rows using their positions
summarise.DataFrame     Summarise each group down to one row
summarize.DataFrame     Summarise each group down to one row
tally.DataFrame         Count the observations in each group
tbl_vars.DataFrame      List variables provided by a tbl.
ungroup.DataFrame       Group by one or more variables
