Thank you very much, David,
Luís

On 04 Aug 2014, at 17:24, Luis Borda de Agua <lbagua.cloud@gmail.com> wrote:

> Dear David
> 
> Thank you very much for your reply. I’ve only seen it now.
> I tried length(warnings) and I got a strange result.
> 
> When I used 
> 
> lw <- length(warnings)
> print(lw)
> 
> I obtained lw=36 
> 
> however,  the number of warnings was 38 according to message to screen:
> 
> "There were 38 warnings (use warnings() to see them)"
> 
> (I’m listing the warning messages below.)
> 
> Why should these numbers be different?
> 
> Thank you in advance, 
> 
> Luís
> 
> > warnings()
> Warning messages:
> 1: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 2: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 3: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 4: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 5: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 6: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 7: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 8: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 9: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 10: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 11: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 12: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 13: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 14: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 15: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 16: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 17: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 18: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 19: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 20: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 21: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 22: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 23: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 24: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 25: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 26: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 27: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 28: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 29: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 30: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 31: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 32: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 33: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 34: In stode(y, time, func, parms = parms, ...) :
>   error during factorisation of matrix (dgefa);         singular matrix
> 35: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 36: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 37: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 38: In stode(y, time, func, parms = parms, ...) : steady-state not reached
> 
> 
> 
> 
> 
> _______________________________
> Luís Borda de Água
> Centro de Biologia Ambiental
> Faculdade de Ciências
> Universidade de Lisboa
> Edifício C2, 6º Piso, Sala 2.6.04/07 
> Campo Grande
> 1749-016 Lisboa, Portugal
> Tel: +351 21 750 00 00 (ext: 22607)
> Fax: +351 21 750 00 28
> 
> 
> 
> 
> 
> 
> 
> 
> 

_______________________________
Luís Borda de Água
Centro de Biologia Ambiental
Faculdade de Ciências
Universidade de Lisboa
Edifício C2, 6º Piso, Sala 2.6.04/07 
Campo Grande
1749-016 Lisboa, Portugal
Tel: +351 21 750 00 00 (ext: 22607)
Fax: +351 21 750 00 28










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