Hello all,

I am currently experimenting with various mixed model structures using the R2admb package. Everything is working smoothly, except that I have been unable to make use of the functionality relating to likelihood profiles.

If I attempt to run 'do_admb' with the argument 'profile=TRUE', I receive the error message 'must specify profpars when checkparam=='write' and profile is TRUE'. However, if I then try to also specify the parameters to include, for example adding the argument 'profpars=c("rho")', I receive the error message 'unused argument (profpars=c("rho"))'.

I am using R version 3.1.0 and R2admb version 0.7.10, and I have noticed that the R2admb manual states that the profile option for do_admb is 'untested!'. Has anyone else encountered this problem? If so, is there any way around it?

Thanks and best wishes

Oliver


Oliver Stirrup
PhD Student

MRC Clinical Trials Unit at UCL
Institute of Clinical Trials & Methodology
London  WC2B 6NH
e-mail:                          oliver.stirrup.13@ucl.ac.uk


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