itertools2: Functions creating iterators for efficient looping
Consumes the first n elements of an iterator
Computes the dot product of two iterable objects
Iterator that chains multiple arguments together into a single iterato...
Iterator that returns elements in fixed-length chunks
Iterator that filters elements where corresponding selector is false.
Iterator of neverending numeric sequence with initial value and step s...
Iterator that cycles indefinitely through an iterable object
Iterator that drops elements until the predicate function returns FALS...
Iterator that returns the elements of an object along with their indic...
Iterator that filters elements not satisfying a predicate function
Consumes an iterator and computes its length
Iterator that applies a given function to several iterables concurrent...
Iterator that returns an object followed indefinitely by a fill value
Iterator that returns elements of an object in pairs
Iterator that returns the Cartesian product of the arguments.
Iterator that replicates elements of an iterable object
Iterator that returns an object indefinitely
Iterator that traverses each given iterable in a roundrobin order
Helper function that determines whether is an iterator object
Iterators for sequence generation
Iterator that returns selected elements from an iterable.
Iterator that applies a given function to the elements of an iterable.
Iterator that maps a function to a sequence of numeric values
Iterator that returns elements while a predicate function returns TRUE
Returns a list of n independent iterators from a single iterable objec...
Performs a deep copy of an iterator
Helper function that determines the length of an iterator object
itertools2: Functions creating iterators for efficient looping
Iterator that extracts the unique elements from an iterable object
Iterator that extracts the just-seen unique elements from an iterable ...
Iterator that iterates through several iterables concurrently.
Iterator that iterates through several iterables concurrently.
Returns the nth item of an iterator
Count the number of times an iterable object is TRUE
Helper function that determines whether an object inherits from a Stop...
Return the first n elements of an iterable object as a list
Calls iterators::nextElem(). If error, returns default value.
A port of Python's excellent itertools module to R for efficient looping.