RStudio打包R程序包报错：Rtools is required to build R packages

RStudio打包R程序包报错：Rtools is required to build R packages ,需要安装Rtools 之后才可打包R项目。

RStudio打包R程序包报错如下：

WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:http://cran.rstudio.com/bin/windows/Rtools/

解决方案：

下载对应版本的Rtools ，安装下载的安装包，勾选将路径添加到环境变量选项或者手动添加。

下载链接:https://cran.r-project.org/bin/windows/Rtools/