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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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Install
install.packages('swirl')
Monthly Downloads
13,512
Version
2.2.0
License
GPL-2
Maintainer
Nick Carchedi
Last Published
March 25th, 2014
Functions in swirl (2.2.0)
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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.