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...
点击【Tools】→【Global Options...】 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...
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[(tmp[,"Priority"]), 1])...
Rstudio-->tools-->global options-->general,R version那点击change-->choose a specific version of...
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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。
(2) Choose to create a new projectfrom an Existing Directory (3) Select the appropriatedirectory and then click Create Project A new projectwill be created for the directory and RStudio's version control features willthen be available for that directory. ...
(2)ChoosetocreateanewprojectfromVersionControl (3)ChooseGitorSubversionasappropriate (4)ProvidetherepositoryURL(andotherappropriateoptions)andthenclickCreateProject TheremoterepositorywillbeclonedintothespecifieddirectoryandRStudio'sversioncontrolfeatureswillthenbeavailableforthatdirectory. 2.3Addingversioncontrol...
(2) Choose to create a new projectfrom an Existing Directory (3) Select the appropriatedirectory and then click Create Project A new projectwill be created for the directory and RStudio's version control features willthen be available for that directory. ...