Dear David
Thank you very much for your reply. Ive 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)"
(Im 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
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