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swirl (version 2.2.0)

Statistics with Interactive R Learning

Description

swirl is a platform for learning (and teaching) statistics and R simultaneously and interactively.

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Version

Install

install.packages('swirl')

Monthly Downloads

18,143

Version

2.2.0

License

GPL-2

Maintainer

Nick Carchedi

Last Published

March 25th, 2014

Functions in swirl (2.2.0)

expr_is_a

Returns TRUE if e$expr is of the given class

omnitest

Test for a correct expression, a correct value, or both.

var_is_a

Returns TRUE if a variable of the given name exists in the global environment and is of the given class.

install_from_swirl

Install a course from the official course repository

expr_uses_func

Returns TRUE if the e$expr uses the function whose name is given as the first argument.

expr_identical_to

Test that the user has entered an expression identical to that given as the first argument.

info

Display a list of special commands.

install_course_url

Install a course from a url that points to a zip file

zip_course

Zip a course directory

swirl

An interactive learning environment for R and statistics.

skip

Skip the current unit of instruction.

play

Tell swirl to ignore console input for a while.

bye

Exit swirl.

expr_creates_var

Tests if the e$expr creates one new variable (of correct name if given.) If so, returns TRUE.

val_matches

Returns TRUE if as.character(e$val) matches the regular expression given as the first argument.

install_course_directory

Install a course from a course directory

func_of_newvar_equals

Tests the result of a computation such as mean(newVar) applied to a specific variable created in a previous question and saved as e$newVar.

install_course_google_drive

Install a course from a zipped course directory shared on Google Drive

install_course_zip

Install a course from a zipped course folder

uninstall_course

Uninstall a course

val_has_length

Test the the length of e$val is that given by the first argument

install_course_github

Install a course from a GitHub repository

install_course_dropbox

Install a course from a zipped course directory shared on Dropbox

nxt

Begin the upcoming question or unit of instruction.