[R] Error with repeat lines() in function

[Sean Davis]

Working on a toy example.  I have run the debugger/browser on the 
example to find what line generates the error.  However, I can't step 
into lines()--hence the question.

Thanks for the help.

Sean

On Sep 24, 2004, at 12:18 PM, james.holtman at convergys.com wrote:

>
>
>
>
> Can you provide an example.  Have you run debug or browser on the 
> function?
> __________________________________________________________
> James Holtman        "What is the problem you are trying to solve?"
> Executive Technical Consultant  --  Office of Technology, Convergys
> james.holtman at convergys.com
> +1 (513) 723-2929
>
>
>
>                       Sean Davis
>                       <sdavis2 at mail.nih        To:       James 
> Holtman/CIMG/CVG at CVG
>                       .gov>                    cc:
>                                                Subject:  Re: [R] Error 
> with repeat lines() in function
>                       09/24/2004 12:11
>
>
>
>
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> James,
>
> The first lines command works without a problem (the error is in the
> second lines command), and it is identical to the second.  That is the
> confusing part.
>
> Sean
>
> On Sep 24, 2004, at 12:03 PM, james.holtman at convergys.com wrote:
>
>>
>>
>>
>>
>> I would assume that the data that you are passing into the function in
>> the
>> 'apply' statement might not have the dimensionality that you assume;
>> e.g.,
>> z[5] or z[6] are out of range.  Have you checked to make sure your
>> data is
>> correct?
>> __________________________________________________________
>> James Holtman        "What is the problem you are trying to solve?"
>> Executive Technical Consultant  --  Office of Technology, Convergys
>> james.holtman at convergys.com
>> +1 (513) 723-2929
>>
>>
>>
>>                       Sean Davis
>>                       <sdavis2 at mail.nih.gov        To:       r-help
>> <r-help at stat.math.ethz.ch>
>>>                            cc:
>>                       Sent by:                     Subject:  [R] Error
>> with repeat lines() in function
>>                       r-help-bounces at stat.m
>>                       ath.ethz.ch
>>
>>
>>                       09/24/2004 11:48
>>
>>
>>
>>
>>
>>
>> I have a function that does some plotting.  I then add lines to the
>> plot.  If executed one line at a time, there is not a problem.  If I
>> execute the function, though, I get:
>>
>> Error in ans[[1]] : subscript out of bounds
>>
>> This always occurs after the second lines command, and doesn't happen
>> with all of my data points (some do not have errors).  Any ideas?
>>
>> Thanks,
>> Sean
>>
>>
>>   function(x,annot,rat1,rat2,rf,...) {
>>      par(las=2)
>>      wh <- which(annot[,5]==x)
>>      xmax <- max(annot[wh,4])
>>      xmin <- min(annot[wh,3])
>>      chr <- annot[wh,2][1]
>>      wh.rf <- rf$chrom==as.character(chr) & rf$txStart>xmin &
>> rf$txEnd<xmax
>>      par(mfrow=c(2,1))
>>      plot(annot[wh,3],rat1[wh],type="l",xlab="",ylab="log2
>> Ratio",main=x,...)
>>      points(annot[wh,3],rat1[wh])
>>      apply(rf[wh.rf,],1,function(z) {
>>        browser()
>>        if (z[4]=="+") {
>>          color <- 'green'
>>          yoffset=1
>>        } else {
>>          color <- 'red'
>>          yoffset=-1
>>        }
>>
>> lines(list(x=c(z[5],z[6]),y=c(-2-yoffset/10,-2-yoffset/
>> 10)),lwd=2,col=color)
>>
>> lines(list(x=c(z[5],z[6]),y=c(-2-yoffset/10,-2-yoffset/
>> 10)),lwd=2,col=color)
>>      })
>>      abline(h=0,lty=2)
>> }
>>
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