.                       Quote variables
a_ply                   Split array, apply function, and discard
                        results
aaply                   Split array, apply function, and return results
                        in an array
adply                   Split array, apply function, and return results
                        in a data frame
alply                   Split array, apply function, and return results
                        in a list
as.data.frame.function
                        Make a function return a data frame
as.quoted               Convert input to quoted variables
baseball                Yearly batting records for all major league
                        baseball players
colwise                 Column-wise function
compact                 Compact list
create_progress_bar     Create progress bar
d_ply                   Split data frame, apply function, and discard
                        results
daply                   Split data frame, apply function, and return
                        results in an array
ddply                   Split data frame, apply function, and return
                        results in a data frame
defaults                Set defaults
dlply                   Split data frame, apply function, and return
                        results in a list
each                    Aggregate multiple functions into a single
                        function
failwith                Fail with
l_ply                   Split list, apply function, and discard results
laply                   Split list, apply function, and return results
                        in an array
ldply                   Split list, apply function, and return results
                        in a data frame
llply                   Split list, apply function, and return results
                        in a list
m_ply                   Call function with arguments in array or data
                        frame, discarding results
maply                   Call function with arguments in array or data
                        frame, returning an array
mdply                   Call function with arguments in array or data
                        frame, returning a data frame
mlply                   Call function with arguments in array or data
                        frame, returning a list
ozone                   Monthly ozone measurements over Central America
progress_text           Text progress bar
progress_tk             Graphical progress bar, powered by Tk
progress_win            Graphical progress bar, powered by Windows
r_ply                   Replicate expression and discard results
raply                   Replicate expression and return results in a
                        array
rbind.fill              Combine objects by row, filling in missing
                        columns
rdply                   Replicate expression and return results in a
                        data frame
rlply                   Replicate expression and return results in a
                        list
splat                   'Splat' arguments to a function
splitter_a              Split an array by .margins
splitter_d              Split a data frame by variables
summarise               Summarise a data frame.
