Table of Contents
How do I see all loaded packages in R?
1 Answer. You can use the packageVersion() function to print version information about the loaded packages. To print the version information about R, the OS and attached or loaded packages, use the sessionInfo() function.
How do I list all packages in R?
I just found another ways to see the list of the packages without writing any code:
- Open RStudio.
- Navigate to Help –> R Help (from the menu above)
- You will see the help panel opened.
- Then follow, Reference –> Packages.
How do I view library in R?
Start R within your package directory, load the devtools library with library(devtools) and then type check() , just as you had used build() and install() to build and install the package.
Where are my packages installed in R?
R packages are installed in a directory called library. The R function . libPaths() can be used to get the path to the library.
How do I clear loaded packages in R?
You can do both by restarting your R session in RStudio with the keyboard shortcut Ctrl+Shift+F10 which will totally clear your global environment of both objects and loaded packages.
How do you get documentation of an installed and loaded R package?
Besides finding the DESCRIPTION files such as cran.r-project.org or stat.ethz.ch, you can also access the description file inside R with the command packageDescription(“package”) , via the documentation of the package help(package = “package”) , or online in the repository of the package.
How many packages R has?
It contains an archive of the latest and previous versions of the R distribution, documentation, and contributed R packages. It includes both source packages and pre-compiled binaries for Windows and macOS. As of November 2020, more than 16,000 packages are available.
What is library () in R?
In R, a package is a collection of R functions, data and compiled code. The location where the packages are stored is called the library. If there is a particular functionality that you require, you can download the package from the appropriate site and it will be stored in your library.
What is RM list ls ()) in R?
The ls() code lists all of the objects in your workspace. The rm() code removes objects in your workspace. You can begin your code with the rm() function to clear all of the objects from your workspace to start with a clean environment.
How do I clear my R environment?
The console can be cleared using the shortcut key “ctrl + L“.
How do I get data from a package in R?
If you look at the package listing in the Packages panel, you will find a package called datasets. Simply check the checkbox next to the package name to load the package and gain access to the datasets. You can also click on the package name and RStudio will open a help file describing the datasets in this package.
What is browseVignettes?
Function browseVignettes returns an object of the same class; the print method displays it as an HTML page in a browser (using browseURL ).
How many packages are there in Rstudio?
There are 10,000+ user contributed packages and growing. There are a set of standard (or base) packages which are considered part of the R source code and automatically available as part of your R installation.
What are the standard packages in R?
These are the standard packages. Do a clean install of R, start it up, and type sessionInfo() . You’ll see stats, graphics, grDevices, utils, datasets, methods and base. Those are the only “standard” ones that are loaded by default, but R comes with the list I linked to.
What is difference between library and package?
The package is simply a namespace. The package also contains sub-packages inside it. Library: The library is having a collection of related functionality of codes that allows you to perform many tasks without writing your code.
What is the difference between a library and a package in R?
What is the difference between package and library in R?
How many R packages are there?
How to check which packages are loaded in R?
How to check which packages are loaded in R? We can do this by using sessionInfo (). So here we have base packages and ggplot2 version 3.2.1 package currently loaded in my R.
What version of ggplot2 is currently loaded in R?
So here we have base packages and ggplot2 version 3.2.1 package currently loaded in my R.
How to get the attached packages in the R search path?
search () function in R Language is used to get the list of all the attached packages in the R search path. This function takes no parameters. [1] “.GlobalEnv” “package:stats” “package:graphics” [4] “package:grDevices” “package:utils” “package:datasets” [7] “package:methods” “Autoloads” “package:base”
How to list all the packages installed by the user?
This R command lists all the packages installed by the user (ignoring packages that come with R such as base and foreign) and the package versions. ip <- as.data.frame(installed.packages() [,c(1,3:4)])