How do I list installed packages in R?
To see what packages are installed, use the installed. packages() command. This will return a matrix with a row for each package that has been installed.
How do I see all loaded packages in R?
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.
Why Search () function is used in R?
search() function in R Language is used to get the list of all the attached packages in the R search path.
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 I update R packages?
If you only want to update a single package, the best way to do it is using install. packages() again. In RStudio, you can also manage packages using Tools -> Install Packages.
How do I uninstall an R package?
Go to the Packages in right bottom corner of Rstudio, sear the package name and click on the adjacent X icon to remove it.
How do I install RStudio packages?
Installing Packages from CRAN
- Open RStudio.
- In the lower-right pane of RStudio, select the Packages tab and the Install button.
- Type the name of the packages to be installed in the “Packages (separate multiple packages with a space or comma):” box.
- Press Install .
Which function is used for sorting in R?
There is a function in R that you can use (called the sort function) to sort your data in either ascending or descending order. The variable by which sort you can be a numeric, string or factor variable.
What sorting algorithm does R use?
Selection Sort This sorting algorithm is widely used in the R language.
How to see all packages in R without writing any code?
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 There you are. OR Open R console Navigate to Help –> Html help
How to open R package in RStudio?
Open RStudio Navigate to Help –> R Help(from the menu above) You will see the help panel opened. Then follow, Reference –> Packages There you are. OR Open R console
What is 3(a) multiple attachments in R?
3 (a) Multiple attachments This code will detach all attached objects (datasets) even if they have been attached multiple times. The above operation cannot handle this because R will not include the name of the object twice, even if it has been attached twice by the user. Will produce the same output:  “data.df”
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)])