R.Version()$version.string 这里不仅能显示当前使用R预压的版本还能知道自己安装的时间。 2.2切换不同版本的R语言 首先点击Tools,然后点击Global Options,如下图。 然后点击R Sessions下的Change,选择Choose a specific version of R,如下图选择我们需要的一个版本即可。 我这里只有R3.6.1和R4.0.4。选择R4.0.4...
如图点击左下角Browse，找到之前安装R的文件夹，打开找到bin文件夹，找到R.exe点击打开就可以了。
If only one version of R is installed the option for the system's default R version is disabled so the user must choose the one and only specific version. This means that if a later R version is subsequently installed, the user must remember to ctrl-click launch RStudio to update the v...
chooseCRANmirror() ## 由于使用 bioconductor 的biocLite()安装程序包时,可能速度很慢,所以可以先使用chooseBioCmirror()选择中国镜像,用于提高安装速度 # 查看哪些R包已经过时 biocValid() load("installed_old.rda") tmp = installed.packages() installedpkgs.new = as.vector(tmp[is.na(tmp[,"Priority"]),...
Rsdutio没有找到R的安装地址，选第二个然后点browse你自己电脑上R的安装地址就行。Choose，英语单词，动词，作及物动词的意思是“选择，决定”，作不及物动词的意思是“选择，挑选”。双语例句：1、Which one should you choose?您应该选择哪一种呢？2、Because you choose me.因为你选择了我。3、...
接着点【General】→【Change...】→【Choose a specific version of R】→选中切换的R版本→【OK】→【OK】;下次启动RStudio后,R将切换到相应版本。这里需要注意的是,在Choose a specific version of R中出现的R版本是已经配置了环境变量的。没有配置环境变量不会自动显示,需要点击Browse去选择你安装的版本。
then choose the version you like and click on “download” click on “RStudio ???-XXX”[where ??? is the version and XXX is your operating system] it may too slow to download complete, so you should use XUNLEI to download follow the installation procedure for your operating system ...
1: Install R RStudio requires R 3.6.0+. Choose a version of R that matches your computer’s operating system. R is not a Posit product. By clicking on the link below to download and install R, you are leaving the Posit website. Posit disclaims any obligations and all liability with ...
I have had two disappointing experiences with RStudio: First when I incorrectly specified the R location in RStudio, I saw RStudio cannot load R, and the menu for choosing R was not available so I was forced to delete the configuration f...
接着点【General】→【Change...】→【Choose a specific version of R】→选中切换的R版本→【OK】→【OK】;下次启动RStudio后,R将切换到相应版本。这里需要注意的是,在Choose a specific version of R中出现的R版本是已经配置了环境变量的。没有配置环境变量不会自动显示,需要点击Browse去选择你安装的版本。