RMySQL
先安装依赖包：
sudo yum install mariadb-devel
sudo yum install mysql-devel在安装RMySQL：
install.packages('RMySQL')RCurl和curl
直接安装可能会报错，需要先执行：
sudo yum -y install curl
sudo yum -y install libcurl libcurl-devel
sudo yum -y install libxml2 libxml2-devel然后再安装RCurl和curl：
sudo su - -c
"R -e "install.packages('RCurl', repos='https://cran.rstudio.com/')""
sudo su - -c
"R -e "install.packages('curl', repos='https://cran.rstudio.com/')""
