[R-sig-eco] (no subject)

[Rajendra Mohan Panda]

Thanks a lot for your prompt reply. Some clues provided by you may work.
Let me see.


Best Regards
Rajendra M Panda
School of Water Resources
Indian Institute of Technology Kharagpur

On 6 October 2015 at 13:06, Thierry Onkelinx <thierry.onkelinx at inbo.be>
wrote:

> Your model is probabily too complex for your data. try to simplify the
> model (or get more data).
>
> ir. Thierry Onkelinx
> Instituut voor natuur- en bosonderzoek / Research Institute for Nature and
> Forest
> team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance
> Kliniekstraat 25
> 1070 Anderlecht
> Belgium
>
> To call in the statistician after the experiment is done may be no more
> than asking him to perform a post-mortem examination: he may be able to say
> what the experiment died of. ~ Sir Ronald Aylmer Fisher
> The plural of anecdote is not data. ~ Roger Brinner
> The combination of some data and an aching desire for an answer does not
> ensure that a reasonable answer can be extracted from a given body of data.
> ~ John Tukey
>
> 2015-10-06 7:24 GMT+02:00 Rajendra Mohan Panda <rmp.iit.kgp at gmail.com>:
>
>> Dear All
>>
>> I get following error in some of my datasets while using VGAM package.
>>
>> Error in backsolve(Rmat, rinv) :
>>   singular matrix in 'backsolve'. First zero in diagonal [1057]
>>
>> Kindly advise how to tackle this error.
>>
>> My formula reads like this: vgam(cbind(list of species)~s()+s(),
>> binomialff(multiple.responses = TRUE,, bred = TRUE), Trace = TRUE, maxit =
>> TRUE)
>>
>> Your kind response is highly appreciated.
>>
>> Best Regards
>> Rajendra M Panda
>> School of Water Resources
>> Indian Institute of Technology Kharagpur
>>
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>>
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