Dear all,

First of all, thanks for any help.
I am a new R user and I am trying to do some plots using xpose 4.
When I indicate to R to do this, for example:

DATA CHECKOUT MENU
  \main\data checkout

1: Return to previous menu ->
2: Numerically summarize the covariates
3: Histograms of the covariates
4: QQ plots of the covariates
5: Scatterplot matrix of covariates
6: Check dataset
7: Observations vs independent variable

Selection: 7

Then it appears this kind of error:

Error in print(dv.vs.idv(eval(parse(text = ".cur.db")))) :
  error in evaluating the argument 'x' in selecting a method for function
'print': Error in xvardef(v, object) :
  trying to get slot "Prefs" from an object of a basic class ("function")
with no slots

Someone can tell me how to proceed?

Many thanks in advance

Best wishes,

-- 
Carolina Llanos Paez
PharmD, PhD Candidate
School of Pharmacy
The University of Queensland

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