[R] importing data error question

[우지희]

Hi I'm jihee and I have a question about error... 

I'm using R 3.5.2 and tried to use Rcmdr package. 

and using FactoMineR and SensoMineR to analyze sensory data through PCA 

but i can't import excel data with Rcmdr. 

it has this messege : 

Error in structure(.External(.C_dotTclObjv, objv), class = "tclObj") : 
   [tcl] bad Macintosh file type "“*”" 

what is wrong with my R??? T_T 

Thanks for your help. 

jihee.
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