Update!
Now this problem appears:
library(Rcmdr)
Loading required package: splines
Loading required package: RcmdrMisc
Loading required package: car
Loading required package: carData
Loading required package: sandwich
Loading required package: effects
Registered S3 methods overwritten by 'lme4':
method from
cooks.distance.influence.merMod car
influence.merMod car
dfbeta.influence.merMod car
dfbetas.influence.merMod car
lattice theme set by effectsTheme()
See ?effectsTheme for details.
Error: package or namespace load failed for 'Rcmdr':
.onAttach failed in attachNamespace() for '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 to display ":0"