What is the command to view installed packages in R?installed.packages()view.packages()packages()list.packages()

To view installed packages in R, the correct command is installed.packages(). This function retrieves a matrix of information about all the packages that are currently installed in your R environment, including their names, library locations, versions, and more.

Brief Explanation:

• installed.packages(): This function lists all the installed packages along with additional details.
• view.packages(): This is not a standard R function and will not work.
• packages(): This does not exist as a standalone command.
• list.packages(): While it sounds like it would work, it is not a standard function in R for viewing installed packages.

Thus, among the provided options, installed.packages() is the correct command to use.