[R] Error when producing multiple graphes

[bartjoosen]

Could you provide us some working codo, so that we can reproduce the error
and see what went wrong?



Uli Kleinwechter wrote:
> 
> Dear all,
> 
> Within a larger script I use the following code to produce barplots for 
> all variables contained in a dataframe "type3m":
> 
>     for(xn in names(type3m)) barplot(table(type3m[[xn]]), main = paste
>     ("Barplot of", xn), width=0.75,legend.text=barnamesm,
>     xlim=c(0,4),ylim=c(0,400))
> 
> The plots are produced and printed into a *.ps file. However, R gives an 
> error message and aborts the script. The error message is:
> 
>     Fehler in rect(as.double(xleft), as.double(ybottom),
>     as.double(xright),  :
>             ungültiges erstes Argument
> 
> (it's in German. In English, it says something like "Error in 
> rect(as.double(xleft), as.double(ybottom), as.double(xright),  : invalid 
> first argument)
> 
> It seems to be some problem with the barplot function. The variables in 
> the dataframe are discrete variables taking values from 1 to 4 (hence, 
> the xlim=c(0,4) and the graph is supposed to show the frequency of each 
> value. Maybe the problem is related to the fact that not some variables 
> don't take all of the values, i.e., there are some that don't take the 
> value 1, for example.
> 
> I spent quite some time trying to solve the problem, but can't manage 
> it. What's wrong here and how can it be solved?
> 
> Thank you very much!
> 
> Uli
> 
> 
> 	[[alternative HTML version deleted]]
> 
> 
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> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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