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en:r [2019/01/26 17:55]
David Zelený [About R program]
en:r [2019/01/26 17:57] (current)
David Zelený
Line 76: Line 76:
 ==== Install Rtools (for Windows users only) ==== ==== Install Rtools (for Windows users only) ====
 Packages hosted on CRAN usually contain package binaries - you can directly install packages without the need to compile them from the source code. If you install packages from GitHub, R-Forge or other repositories,​ you may need to compile them from source. To do it, do the following: Packages hosted on CRAN usually contain package binaries - you can directly install packages without the need to compile them from the source code. If you install packages from GitHub, R-Forge or other repositories,​ you may need to compile them from source. To do it, do the following:
-  * download Rtools.exe from [[http://​cran.rstudio.com/​bin/​windows/​Rtools/​|Rtools]] +  * download Rtools.exe from [[http://​cran.rstudio.com/​bin/​windows/​Rtools/​|Rtools]] ​(choose a version compatible with your version of R); 
-  * if you already have installed an older version of Rtools on your computer, uninstall it (Rtools are usually installed in the folder c:​\Rtools) +  * if you already have installed an older version of Rtools on your computer, uninstall it (Rtools are usually installed in the folder c:\Rtools); 
-  * follow the installation wizard of Rtools; you can mostly accept the default setting, with one important exception - at the page ''​Select additional tasks'',​ please check the box with ''​Add rtools to system PATH''​ (screenshot below). In the next step, check whether the folder with Rtools ​have been added on the top of the list with system paths; if it is and it occurs twice (e.g. because it has been added there by the previous version of Rtools), delete one of them.+  * follow the installation wizard of Rtools; you can mostly accept the default setting, with one important exception - at the page ''​Select additional tasks'',​ please check the box with ''​Add rtools to system PATH''​ (screenshot below). In the next step, check whether the folder with Rtools ​has been added on the top of the list with system paths; if it is and it occurs twice (e.g. because it has been added there by the previous version of Rtools), delete one of them.
  
 {{ :​obrazky:​rtools-install-add-path.jpg?​direct |}} {{ :​obrazky:​rtools-install-add-path.jpg?​direct |}}
en/r.txt · Last modified: 2019/01/26 17:57 by David Zelený