[R] Stepwise rQTL-unknown warning message and odd QTL curve

[John Kane]

http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example and http://adv-r.had.co.nz/Reproducibility.html

John Kane
Kingston ON Canada


> -----Original Message-----
> From: ligges at statistik.tu-dortmund.de
> Sent: Sat, 23 May 2015 09:36:15 +0200
> To: claire.oquin at uky.edu, r-help at r-project.org
> Subject: Re: [R] Stepwise rQTL-unknown warning message and odd QTL curve
> 
> 
> 
> On 23.05.2015 01:07, Claire O'Quin wrote:
>> Hi There,
>> 
>> I am running a stepwise QTL for a backcross and got the following
>> warning
>> message:
>> 
>> Warning message:
>> In lastout[[i]] - (max(lastout[[i]]) - dropresult[rn == qn[i], 3]) :
>>    longer object length is not a multiple of shorter object length
> 
> So dimensions of the arguments may not match?
>> 
>> I can not discern what this means. When I created my plot, the QTL curve
>> on
>> chromosome 3 is very odd (tried attaching it), so I suspect that the
>> warning is connected to that odd curve plot.
>> 
>> I tried running the fitqtl just to see what would happen and got an
>> error
>> (Error in solve.default(t(Z) %*% Z, t(Z) %*% X) : system is
>> computationally
>> singular: reciprocal condition number = 1.49755e-24).
>> 
>> Any thoughts about what is going on?
> 
> No, without knoing what the arguments and the actual code was.
> 
> Best,
> Uwe Ligges
> 
>> 
>> Thank you,
>> Claire
>> 
>> 
>> 
>> -----------------------------------
>> Claire O'Quin, PhD
>> Postdoctoral Research Scholar
>> University of Kentucky
>> http://www.linnenlab.com/home.html
>> 
>> 
>> 
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>> 
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> 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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