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rlist (version 0.3-2)

A set of tools for working with list objects

Description

A set of tools for working with lists as dataset, including filtering, mapping, grouping, sorting, updating, searching, and many other functions. It recommends functional programming and collection pipeline in list operations.

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Install

install.packages('rlist')

Monthly Downloads

155,578

Version

0.3-2

License

MIT + file LICENSE

Issues

25

Pull Requests

0

Stars

204

Forks

29

Maintainer

Kun Ren

Last Published

August 22nd, 2014

Functions in rlist (0.3-2)

list.findi

Find the indices of a number of members in a list that meet given condition
list.reverse

Reverse a list
list.all

Get whether all list members satisfy the given condition
list.subset

Subset a list
list.apply

Apply a function to each list member (lapply)
tryEval

Try to evaluate an expression and return a default value if an error occurs or otherwise return its value.
list.do

Call a function with a list of arguments as provided
List

Create a List environment that wraps given data and most list functions are defined for chainable operations.
list.class

Classify list members into unique cases evaluated by given expression.
list.extract

Extract a member from a list
list.filter

Filter a list by a condition.
list.which

Return a integer vector of the indices of list members that satisfy given condition
list.flatten

Flatten a list to only one level
list.group

Group a list by the value of an expression evaluated for each member.
list.prepend

Prepend a list
list.any

Get whether any list member satisfies the given condition
list.append

Append a list
list.common

Get all common cases by expression for a list
list.update

Update a list by modifying its elements.
list.table

Generate a table for a list by expression
list.select

Select by name or expression for each member of a list
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.merge

Merge a series of lists
list.clean

Clean a list by a function
list.rbind

Bind all list members by row
list.parse

Parse an object to be a list with identical structure
list.ungroup

Ungroup a list
list.map

Map each member of a list by an expression.
list.stack

Stack all list members to construct a data.frame
list.iter

Iterate a list by evaluating an expression on each list member.
list.remove

Remove members from a list by index or name
list.save

Save a list to a file
list.count

Count the number of members that meet given condition
list.sample

Sample a list
tryGet

Try to get the value of a symbol if exists or return a default value
list.find

Find a specific number of members in a list that meeting given condition
list.join

Join two lists by single or multiple keys
list.match

Select members of a list that match given regex pattern
list.mapv

Map each member of a list by an expression to a vector.
list.skip

Skip a number of members in a list
equal

Compare two values and test whether they are equal at certain degree
list.takeWhile

Take out members until the given condition is broken
list.exclude

Exclude members of a list that meet given condition.
list.maps

Map multiple lists with an expression
subset.list

Return subsets of a list which meet conditions.
list.skipWhile

Skip members until the given condition is broken
list.search

Search a list recusively by an expression
list.load

Load a list from file
list.cbind

Bind all list members by column
list.cases

Get all unique cases by expression for a list
list.order

Return the order of each member in a list by expression
rlist

The rlist package
list.take

Take a number of members from a list
list.sort

Sort a list by given expressions in order
list.zip

Combine multiple lists element-wisely.
list.serialize

Serialize a list
list.unserialize

Unserialize a file
summary.list

Summarize a list.