r - Mac Rcmdr isn't loading -


i'm noob @ r. please forgive must common question, i'm not sure search find answer. i'm running r 3.3.3 on macbook running os 10.11.6 (el capitan). i've installed r , rstudio. i'm attempting install rcmdr, following messages:

the downloaded binary packages in  /var/folders/1x/153rlwbs2y16fy9vgglb9gxw0000gn/t//rtmphoiwjy/downloaded_packages > local({ +   old <- getoption("defaultpackages") +   options(defaultpackages = c(old, "rcmdr")) + }) > library("rcmdr",          lib.loc="/library/frameworks/r.framework/versions/3.3/resources/library") loading required package: splines loading required package: rcmdrmisc loading required package: car loading required package: sandwich error : .onattach failed in attachnamespace() 'rcmdr', details:       call: structure(.external(.c_dottclobjv, objv), class = "tclobj")   error: [tcl] invalid command name "image".  in addition: warning message: in fun(libname, pkgname) : couldn't connect display ":0" error: package or namespace load failed 'rcmdr'   error: [tcl] invalid command name "image".  in addition: warning message: in fun(libname, pkgname) : couldn't connect display ":0" error: package or namespace load failed 'rcmdr'

how fix this? , how figure out how answer these questions on own in future? thank you!

i solved installing xquartz https://www.xquartz.org/.

when go execute, first have open xquartz , r console , write command "library(rcmdr)"


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