R(8), Package
All the packages in R, Click Here!
get the location of the library containing the R package.
.libPaths()
get the list of all installed packages
library()
get the list of all loaded packages in the current R environment
search()
How to Install a New Package
Method ONE:
install.packages("Package Name")
# Install the package named "XML".
install.packages("XML")
Method TWO:
- click here to find the needed packages and download them.
- save the packages we download as a
.zip
file in a suitable location in the local system.
install.packages(file_name_with_path, repos = NULL, type = "source")
# Install the package named "XML"
install.packages("E:/XML_3.98-1.3.zip", repos = NULL, type = "source")
Method THREE:
Using the visual interface: RStudio -> 'packages' -> 'install' -> input the name of the wanted packages -> download it
How to Load Packages
Before the packages can be used, we need to load them before the programme is running. (Also, packages downloaded before that cannot be used in the environment should be loaded at first as well.)
the command follows:
library("package Name", lib.loc = "path to library")
# Load the package named "XML"
install.packages("E:/XML_3.98-1.3.zip", repos = NULL, type = "source")
Update Packages
update.packages("package name")
Details of Packages
help("package name")