Thanks for your help. Does it have something to do with the mcmc package, the coda package, or the lattice package ?
Jimmy 2010/6/3 Gavin Simpson <gavin.simp...@ucl.ac.uk> > On Wed, 2010-06-02 at 20:29 +0200, Jimmy Söderly wrote: > > Dear R users, > > > > After running Sweave, this is what I get : > > > > Warning messages: > > 1: glm.fit: algorithm did not converge > > 2: glm.fit: algorithm did not converge > > There is no glm.fit function in my code. > > glm calls glm.fit did you call glm() or any code that might use glm() > (or glm.fit()). glm.fit() is the function that does the actual model > fitting etc, with glm() being a convenience wrapper providing the > formula interface etc. > > > Where does it come from ? From Sweave ? From system.time ? > > Your call to glm() or any function that calls glm(). This is nothing to > sweave or system.time. > > Your model fitting has failed to converge. There may be many reasons why > glm.fit is failing to converge for the model your are fitting. > > Either extract the R code or tangle the sweave file to do the > extraction, and then step through the code to see where the warning is > being generated. Then figure out why glm.fit is not converging (you > might need to up the number of iterations or provide better starting > values or rethink the type of model you are trying to fit). > > HTH > > G > > -- > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% > Dr. Gavin Simpson [t] +44 (0)20 7679 0522 > ECRC, UCL Geography, [f] +44 (0)20 7679 0565 > Pearson Building, [e] > gavin.simpsonATNOSPAMucl.ac.uk<http://gavin.simpsonatnospamucl.ac.uk/> > Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ > UK. WC1E 6BT. [w] http://www.freshwaters.org.uk > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% > > [[alternative HTML version deleted]]
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