A Toolbox for Non-Tabular Data Manipulation

Documentation for package ‘rlist’ version 0.4.6.1

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rlist-package	The rlist package
List	Create a 'List environment' that wraps given 'data' and most list functions are defined for chainable operations.
list.all	Examine if a condition is true for all elements of a list
list.any	Examine if a condition is true for at least one list element
list.append	Append elements to a list
list.apply	Apply a function to each list element ('lapply')
list.cases	Get all unique cases of a list field by expression
list.cbind	Bind all list elements by column
list.class	Classify list elments into unique but non-exclusive cases
list.clean	Clean a list by a function
list.common	Get all common cases by expression for a list
list.count	Count the number of elements that satisfy given condition
list.do	Call a function with a list of arguments
list.exclude	Exclude members of a list that meet given condition.
list.expand	Create a list from all combinations of factors
list.extract	Extract an element from a list or vector
list.filter	Filter a list or vector by a series of conditions
list.find	Find a specific number of elements in a list or vector satisfying a given condition
list.findi	Find the indices of a number of elements in a list or vector satisfying a given condition
list.first	Find the first element that meets a condition
list.flatten	Flatten a nested list to a one-level list
list.group	Divide list/vector elements into exclusive groups
list.if	Return a logical vector that indicates if each member of a list satisfies a given condition
list.insert	Insert a series of lists at the given index
list.is	Return a logical vector that indicates if each member of a list satisfies a given condition
list.iter	Iterate a list by evaluating an expression on each list element
list.join	Join two lists by single or multiple keys
list.last	Find the last element that meets a condition
list.load	Load a list from file
list.map	Map each element in a list or vector by an expression.
list.maps	Map multiple lists with an expression
list.mapv	Map each member of a list by an expression to a vector.
list.match	Select members of a list that match given regex pattern
list.merge	Merge a number of named lists in sequential order
list.names	Get or set the names of a list by expression
list.order	Give the order of each list element by expression
list.parse	Convert an object to list with identical structure
list.parse.character	Convert an object to list with identical structure
list.parse.data.frame	Convert an object to list with identical structure
list.parse.default	Convert an object to list with identical structure
list.parse.matrix	Convert an object to list with identical structure
list.prepend	Prepend elements to a list
list.rbind	Bind all list elements by row
list.remove	Remove members from a list by index or name
list.reverse	Reverse a list
list.sample	Sample a list or vector
list.save	Save a list to a file
list.search	Search a list recusively by an expression
list.select	Select by name or expression for each member of a list
list.serialize	Serialize a list
list.skip	Skip a number of elements
list.skipWhile	Keep skipping elements while a condition holds
list.sort	Sort a list by given expressions
list.stack	Stack all list elements to tabular data
list.subset	Subset a list
list.table	Generate a table for a list by expression
list.take	Take a number of elements
list.takeWhile	Keep taking elements while a condition holds
list.ungroup	Ungroup a list by taking out second-level elements
list.unserialize	Unserialize a file
list.unzip	Transform a list of elements with similar structure into a list of decoupled fields
list.update	Update a list by appending or modifying its elements.
list.which	Give the indices of list elements satisfying a given condition
list.zip	Combine multiple lists element-wisely.
nyweather	New York hourly weather data
subset.list	Subset a list by a logical condition
tryEval	Try to evaluate an expression and return a default value if an error occurs or otherwise return its value.
tryGet	Try to get the value of a symbol if exists or return a default value