r - Error in installing "rgl" package in Yosemite 10.10.4 -

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i message whenever try install rgl package on yosemite 10.10.4

error : .onload failed in loadnamespace() 'rgl', details:   call: dyn.load(file, dllpath = dllpath, ...)   error: unable load shared object '/library/frameworks/r.framework/versions/3.2/resources/library/rgl/libs/rgl.so':   dlopen(/library/frameworks/r.framework/versions/3.2/resources/library/rgl/libs/rgl.so, 6): library not loaded: /opt/x11/lib/libglu.1.dylib   referenced from: /library/frameworks/r.framework/versions/3.2/resources/library/rgl/libs/rgl.so   reason: image not found error: package or namespace load failed ‘rgl’

how can fix this?

six years late other people searching solution. solution worked me download , install xquartz https://www.xquartz.org

see stackoverflow answers here , here


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