[R] Stepwise rQTL-unknown warning message and odd QTL curve
ligges at statistik.tu-dortmund.de
Sat May 23 09:36:15 CEST 2015
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
> 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.
> Thank you,
> Claire O'Quin, PhD
> Postdoctoral Research Scholar
> University of Kentucky
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