Function reference • iterors

All functions

as.list(<iteror>) as.double(<iteror>) as.numeric(<iteror>) as.logical(<iteror>) as.character(<iteror>) as.vector(<iteror>): Collect all (or some given number of) values from an iteror, returning a vector of the given type.

concat(): Concatenate contents of multiple iterators into a vector.

consume(): Consumes the first n elements of an iterator

count(): Consumes an iterator and computes its length

dotproduct(): Computes the dot product of two iterable objects.

hasNext() ihasNext(): Does This Iterator Have A Next Element

iRNGStream(): Iterators returning distant random-number seeds.

i_apply(): Apply a function to each element of an iterator.

i_break(): Create an iterator that can be told to stop.

i_concat() i_chain(): Iteror that chains multiple arguments together into a single iterator

i_chunk(): Combine an iterator's values into chunks.

i_dropwhile(): Iterator that drops elements until the predicate function returns FALSE

i_enumerate() ienumerate() i_enum(): Iterator that returns the elements of an object along with their indices

i_keep() i_drop(): Iterator that filters elements not satisfying a predicate function

i_keepwhile(): Iterator that returns elements while a predicate function returns TRUE

i_limit(): Limit the length of an iterator.

i_map(): Iterator that applies a given function to several iterables concurrently.

i_mask(): Iterator that filters elements where corresponding selector is false.

i_pad(): Iterator that returns an object followed indefinitely by a fill value

i_recycle(): Create a recycling iterator

i_rep(): Repeat values from an iterator.

i_repeat(): Create a repeating iterator

i_rle() i_rleinv(): Run-length encoding iterator.

i_roundrobin(): Iteror that traverses each given iterable in a roundrobin order

i_slice(): Iteror that returns selected elements from an iterable.

i_starmap() i_star(): Iteror that applies a given function to the elements of an iterable.

i_tee(): Create multiple iterators from one source

i_timeout(): Create a timeout iterator

i_unique(): Iterator that extracts the unique elements from an iterable object

i_window(): Construct a sliding window over an iterator

i_zip() i_zip_longest(): Combine several iterables in parallel.

icombinations(): Iterator that generates all combinations of a vector taken m at a time.

icount() icountn(): Counting Iterators

idedup(): Drop duplicated items from an iterator.

idiv(): Dividing Iterator

igrid(): Iterator that covers the Cartesian product of the arguments.

ipermutations(): Iterator that generates all permutations of a vector.

iread.table(): Iterator over Rows of a Data Frame Stored in a File

ireadBin(): Create an iterator to read binary data from a connection

ireadLines(): Iterator over Lines of Text from a Connection

ireaddf(): Create an iterator to read data frames from files

is.iteror(): is.iteror indicates if an object is an iteror.

iseq() iseq_along(): Iterators for sequence generation

isplit(): Split Iterator

itabulate(): Iterator that maps a function to a sequence of numeric values

iteror(): Make an iteror from a given object.

iteror(<array>) iteror(<matrix>) iteror(<data.frame>): Iterate over an array or data frame by a specified dimension.

iteror.function: Construct an iteror object with custom-programmed behavior.

makeIwrapper(): Iterator Constructor-Constructor Function Wrapper

nextOr(): Retreive the next element from an iteror.

nth(): Returns the nth item of an iteror

quantify(): Count the number of times an iterable object is TRUE

r_to_py(<iteror>) iteror(<python.builtin.object>): Wrap an iteror to appear as a Python iterator or vice versa.

record(): Record and replay iterators

reduce() i_accum() sum(<iteror>) prod(<iteror>): Compute the sum, product, or general reduction of an iterator.

irnorm() irbinom() irnbinom() irpois() isample() irunif(): Random Number Iterators

take(): Return the first n elements of an iterable object in a vector.