Dear R Users,

I'm fitting non-linear models using nlme package.
How can I check models estimability?

Data were obtained using an incomplete factorial design:
effect 1 = 4 levels
effect 2 = 5 levels
effect 3 = 5 levels
effect 4 = 5 levels

Cross table example for effect 1 and effect 2:

            4    5    6     7    8
  55    58    0   16    0  59
  57      0  84   25  78    0
  60    18  24 167  24  16
  62      0  80   22  89    0

Cheers,

Vasco

--
Vasco A. P. Cadavez, PhD
Departamento de Ciência Animal & Centro de Investigação de Montanha (CIMO)
Escola Superior Agrária do Instituto Politécnico de Bragança
Campus de Santa Apolónia, Apartado 1172
5301-854 Bragança Portugal
Telefone: (+351) 273 303 304
Fax: (+351) 273 325 405
e-mail: vcada...@ipb.pt

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