Dear all, I resolved the problem by installing XQuartz http://xquartz.macosforge.org <http://xquartz.macosforge.org/>, since X11 is no longer included with OS X. Since the problem is resolved before I received the suggestion of installing rgl package from CRAN, I do not know if these two solutions serve the same purpose. Thanks Donglei Du
error in loading rugarch package
1 message · Donglei Du