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]
如上所示，解决办法：
1.打开Terminal
2.输入：defaults write org.R-project.R force.LANG en_US.UTF-8
3.关闭Terminal
4.启动R