Programming the statistical procedures from SAS

Generalized R-Squared in nlmixed

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Generalized R-Squared in nlmixed

Hi ;

I would like to know how I can compute R-Squared for proc nlmixed. There is a formula in the context (1-exp(-G^2 / n)), in which G^2  is the likelihood ratio chi-square and n is the sample size. My problem is, between "Observations Used" and "Subjects" printed below, which one should be used for 'n' ?

Dimensions

Observations Used3103
Observations Not Used5
Total Observations3108
Subjects2444
Max Obs Per Subject8
Parameters7
Quadrature Points7

Thanks!

Issac

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