I just solved the problem. The error happened because of the empty
variables in the dataframe.
In any case, thanks for caring.
bartjoosen schrieb:
> 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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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>>
>
>
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