This package has two main goals: To make updating R (on windows) as easy as running a function. Conveniently for us, R provides a function called install.packages () that you can use to do this. # Installr includes a package migration tool but this simply copies packages, it does not update themĬ. The installr package offers a set of R functions for the installation and updating of software (currently, only on Windows OS), with a special focus on R itself. There is a big repository of packages called the Comprehensive R Archive Network (CRAN), and the easiest way of getting and installing a new package is from one of the many CRAN mirror sites. Install the new version of R and let it do it’s thing. tmp <- installed.packages() installedpkgs <- as.vector(tmpis.na(tmp,'Priority'), 1) save(installedpkgs, file'installedold.rda') 2. This calls package names and installs them from repos, thus all packages should be correct to the most recent versionįor ( p in setdiff( packages, installed.packages())) Download R-4.2.2 for Windows(76 megabytes, 64 bit) README on the Windows binary distribution. Before you upgrade, build a temp file with all of your old packages. # Install library - run in the new version of R. install.packages ('tidyverse') To update multiple packages, or indeed all packages, RStudio provides helpful tools. Install.R() # download and run the latest R installer To update an individual package, the easiest way is to use the install.packages () function, as this always installs the most recent version of the package. If( !require( installr)) #load / install+load installrĬ() # tells you if there is a new version of R or not. # Run in the old version of R (or via RStudio)
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