Reference

All functions

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.

arrange()

Order a data frame by its colums.

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() catcolwise() numcolwise()

Column-wise function.

count()

Count the number of occurences.

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.

desc()

Descending order.

dlply()

Split data frame, apply function, and return results in a list.

each()

Aggregate multiple functions into a single function.

failwith()

Fail with specified value.

here()

Capture current evaluation context.

idata.frame()

Construct an immutable data frame.

join()

Join two data frames together.

join_all()

Recursively join a list of data frames.

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.

liply()

Experimental iterator based version of llply.

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.

mapvalues()

Replace specified values with new values, in a vector or factor.

match_df()

Extract matching rows of a data frame.

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.

mutate()

Mutate a data frame by adding new or replacing existing columns.

name_rows()

Toggle row names between explicit and implicit.

ozone

Monthly ozone measurements over Central America.

plyr-deprecated

Deprecated Functions in Package plyr

plyr plyr-package

plyr: the split-apply-combine paradigm for R.

progress_text()

Text progress bar.

progress_time()

Text progress bar with time.

progress_tk()

Graphical progress bar, powered by Tk.

progress_win()

Graphical progress bar, powered by Windows.

.()

Quote variables to create a list of unevaluated expressions for later evaluation.

r_ply()

Replicate expression and discard results.

raply()

Replicate expression and return results in a array.

rbind.fill()

Combine data.frames by row, filling in missing columns.

rbind.fill.matrix()

Bind matrices by row, and fill missing columns with NA.

rdply()

Replicate expression and return results in a data frame.

rename()

Modify names by name, not position.

revalue()

Replace specified values with new values, in a factor or character vector.

rlply()

Replicate expression and return results in a list.

round_any()

Round to multiple of any number.

splat()

`Splat' arguments to a function.

strip_splits()

Remove splitting variables from a data frame.

summarise()

Summarise a data frame.

take()

Take a subset along an arbitrary dimension

vaggregate()

Vector aggregate.