
Whenever R starts, its configuration is controlled by several files. Opening the R GUI will set R's working directory to $HOME, unless explicitly defined in your configuration files (.
Running R from the command line will set R's working directory to the current directory. Add alias R="R -quiet" to a startup file to use this behaviour by default. The -quiet option can be used to start R without a verbose startup message. You can load image with the load.image(image.RData) command at any time of your session. You can manually save the workspace at any time in the session with the save.image(image.RData) command, save as many images as you want (eg: image1.RData, image2.RData). RData format and will be automatically reloaded the next time R is started. The workspace is your current working environment and include any user-defined objects, functions. When closing the session, you will be prompted as follows: Run ?Startup to read the documentation about system file configuration, help() for the on-line help, help.start() for the HTML browser interface to help, demo() for some demos and q() to close the session and quit. site refers to system-wide in R Documentation. Once in your R session, the prompt will change to > Note that some shells use the lowercase r command to repeat the last entered command. Make sure to use a capital "R" for the command. If updates are available, select All (or just tidyverse), and click Install Updates. To update packages, go to Tools > Check for Package Updates. You should be able to click “Next” to all dialogs to finish the installation. When the file finishes downloading, double-click to install. When you restart RStudio, it will use the updated version of R.
On Mac, you can simply download and install the newest version of R. You are ready for Data Science Essentials for R! This will start the updating process of your R installation by: “finding the latest R version, downloading it, running the installer, deleting the installation file, copy and updating old packages to the new R installation.”įrom within RStudio, go to Help > Check for Updates to install newer version of RStudio (if available, optional). Install and load installr: install.packages("installr") and library(installr)Ĭall updateR() function. To update R on Windows, try using the package installr (only for Windows)