Where are R packages located?

Where are R packages located?

library
R packages are installed in a directory called library. The R function . libPaths() can be used to get the path to the library.

What is the library path in R?

libPaths is used for getting or setting the library trees that R knows about (and hence uses when looking for packages). If called with argument new , the library search path is set to the existing directories in unique(c(new, . Library.

How do I change the default library path for R packages?

Here the steps:

1. Create the target destination folder for the libraries, e.g., ~\target .
2. Find the Rprofile file. In my case it was at C:\Program Files\R\R-3.3. 3\library\base\R\Rprofile .
3. Edit the file and change the definition the variable R_LIBS_USER . In my case, I replaced the this line file. path(Sys.

What is a package path?

CURRENT PACKAGE PATH specifies a value that identifies the path used to resolve references to packages that are used to execute SQL statements. This special register applies to both static and dynamic statements.

How do I get R packages?

Alternatively, you can install R packages from the menu.

1. In RStudio go to Tools → Install Packages and in the Install from option select Repository (CRAN) and then specify the packages you want.
2. In classic R IDE go to Packages → Install package(s) , select a mirror and install the package.

How do I change where R packages are installed?

R uses a single package library for each installed version of R on your machine. Fortunately it is easy to modify the path where R installs your packages. To do this, you simply call the function . libPaths() and specify the library location.

How do I list all 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 you set a path to library in R?

To set environment variable R_LIBS_USER in Windows, go to the Control Panel (System Properties -> Advanced system properties -> Environment Variables -> User Variables) to a desired value (the path to your library folder), e.g.

What is the use of R packages?

R packages are collections of functions and data sets developed by the community. They increase the power of R by improving existing base R functionalities, or by adding new ones. For example, if you are usually working with data frames, probably you will have heard about dplyr or data.

How do I install RStudio packages?

Installing Packages from CRAN

1. Open RStudio.
2. In the lower-right pane of RStudio, select the Packages tab and the Install button.
3. Type the name of the packages to be installed in the “Packages (separate multiple packages with a space or comma):” box.
4. Press Install .

How does install packages work in R?

Part 1-Getting the Package onto Your Computer

1. Open R via your preferred method (icon on desktop, Start Menu, dock, etc.)
2. Click “Packages” in the top menu then click “Install package(s)”.
3. Choose a mirror that is closest to your geographical location.
4. Now you get to choose which packages you want to install.

How to find the path of a package in R?

R’s package search path is reported by the .libPaths () function (invoked without arguments). The result is a vector of strings, each representing a path containing packages.

What is the install.packages function in R?

The install.packages() function in R is the automatic unzipping utility that gets and install packages in R.

What is the name of the search path in R?

.Library.site is a (possibly empty) character vector giving the locations of the site libraries. .libPaths is used for getting or setting the library trees that R knows about and hence uses when looking for packages (library search path).

Where do I find the rsite folder in R?

Above quantmod, TTR, xts and zoo are all folders each containing the corresponding package. For these packages to be found by R, the rsite folder (its absolute path, for instance c:/users/ivannp/rsite) needs to be added to R’s search path. R’s package search path is reported by the .libPaths () function (invoked without arguments).