hello! my question conserns with use of "panel" package (written by R.C.Gentlman) (unfortunately the manual and help sites are very short)
1. is it possible to do analysis just without a(ny) covariate? i suggest do it by introducing a covariate with level=0 in all obervations, this because of Q(z)=Q_o exp(beta*z), but it seemingly doesn't work
2. in the option gamma in the call of panel function: do you mean an initial value for parameter vector gamma? say if i have 3 theta-parameters, so i have to initialize gamma=c(xxx,xxx,xxx), correct?
3. are the (first ) observed times =0 allowed (in $time vectors) or schould in such a case begin with =1, if there are any?
thanks for your response
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