Question 3Which is the command used to install packages in R?1 pointinstall.packages()installpackages()library(packages)

Break Down the Problem

1. Identify the correct command to install packages in R from the provided options.

Relevant Concepts

1. R has a specific function used for installing packages.

Analysis and Detail

1. The command install.packages() is the correct function in R used for installing new packages.
2. The other options, installpackages() and library(packages), are not valid for installing packages.
   • installpackages() is incorrect because R requires a dot between "install" and "packages".
   • library() is used to load already installed packages, not to install them.

Verify and Summarize

The verified correct command for installing packages in R is install.packages().

Final Answer

The correct command to install packages in R is install.packages().