1、查看系统版本
[root@centos7PC1 home]# lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch
distributor ID: CentOS
Description: CentOS Linux release 7.9.2009 (Core)
Release: 7.9.2009
Codename: Core
[root@centos7PC1 home]# cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)
2、测试R
[root@centos7PC1 home]# R ## 没有R
bash: R: command not found...
3、安装R
[root@centos7PC1 home]# yum install epel-release -y
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirrors.huaweicloud.com
* extras: mirrors.huaweicloud.com
* updates: mirrors.huaweicloud.com
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch 0:7-11 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=====================================================================================================================================
Package Arch Version Repository Size
=====================================================================================================================================
Installing:
epel-release noarch 7-11 extras 15 k
Transaction Summary
=====================================================================================================================================
Install 1 Package
Total download size: 15 k
Installed size: 24 k
Downloading packages:
epel-release-7-11.noarch.rpm | 15 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : epel-release-7-11.noarch 1/1
Verifying : epel-release-7-11.noarch 1/1
Installed:
epel-release.noarch 0:7-11
Complete!
[root@centos7PC1 home]# yum install R -y
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirrors.huaweicloud.com
* epel: mirror.sjtu.edu.cn
* extras: mirrors.huaweicloud.com
* updates: mirrors.huaweicloud.com
Resolving Dependencies
--> Running transaction check
---> Package R.x86_64 0:3.6.0-1.el7 will be installed
…………
zlib-devel.x86_64 0:1.2.7-18.el7
zziplib.x86_64 0:0.13.62-12.el7
Dependency Updated:
freetype.x86_64 0:2.8-14.el7_9.1 java-1.8.0-openjdk.x86_64 1:1.8.0.282.b08-1.el7_9
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.282.b08-1.el7_9 tzdata-java.noarch 0:2021a-1.el7
Complete!
4、测试R
[root@centos7PC1 home]# R ## 可以调用
R version 3.6.0 (2019-04-26) -- "Planting of a Tree"
copyright (C) 2019 The R Foundation for Statistical Computing
Platform: x86_64-redhat-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more @R_492_4045@ion and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> sample(1:10,5)
[1] 4 10 2 6 3
> seq (5)
[1] 1 2 3 4 5
> seq (1,10,2)
[1] 1 3 5 7 9
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