大家好，安装rattle包的时候到这一步出错了，不知是什么原因，RGtk安不好～
there is no package called ‘RGtk2’
> install.packages("~/Downloads/gtk+-2.8.0.tar.gz", repos = NULL, type = "source", lib="/Library/Frameworks/R.framework/Versions/3.3/Resources/library")
Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
  unknown timezone 'zone/tz/2019a.1.0/zoneinfo/Asia/Shanghai'
Error in untar2(tarfile, files, list, exdir, restore_times) :
  unsupported entry type ‘’
Warning in install.packages :
  installation of package ‘/Users/Downloads/gtk+-2.8.0.tar.gz’ had non-zero exit status