1. R 官网下载：https://www.r-project.org/about.html

2. Rstudio：http://www.rstudio.com

3. 打开后出现这个问题，红字（参考http://stackoverflow.com/questions/9689104/installing-r-on-mac-warning-messages-setting-lc-ctype-failed-using-c）：

   During startup - Warning messages:
   1: Setting LC_CTYPE failed, using "C"
   2: Setting LC_COLLATE failed, using "C"
   3: Setting LC_TIME failed, using "C"
   4: Setting LC_MESSAGES failed, using "C"
   5: Setting LC_PAPER failed, using "C"
   [R.app GUI 1.50 (6126) x86_64-apple-darwin9.8.0]

   WARNING: You're using a non-UTF8 locale, therefore only ASCII characters will work. Please read R for Mac OS X FAQ (see Help) section 9 and adjust your system preferences accordingly. [History restored from /Users/nemo/.Rapp.history]

   
   

   解决方法：

   1. Open Terminal

   2. Write or paste in: defaults write org.R-project.R force.LANG en_US.UTF-8

   3. Close Terminal

   4. Start R

      
      

   
   

感谢分享者！