安装ggpubr包：

#Install from [CRAN](https://links.jianshu.com/go?to=https%3A%2F%2Fcran.r-project.org%2Fpackage%3Dggpubr) as follow

install.packages("ggpubr") 

# Or, install the latest version from [GitHub](https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fkassambara%2Fggpubr) as follow:

if(!require(devtools)) install.packages("devtools")

devtools::install_github("kassambara/ggpubr")

Download from CRAN at https://cloud.r-project.org/package=ggpubr

Browse source code at https://github.com/kassambara/ggpubr/

Report a bug at https://github.com/kassambara/ggpubr/issues