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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ouch, My apologies. One of the first responses indicated a good chance that Ian Stewart would reply, and I emulated Pavlov’s favourite subjects when an ‘Ian’ replied. BTW I got Steve Martell’s code working in my model (DIC and estimated numbers of parameters) so problem solved.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Mark Fowler</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Population Ecology Division</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Bedford Inst of Oceanography</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Dept Fisheries & Oceans</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Dartmouth NS Canada</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>B2Y 4A2</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Tel. (902) 426-3529</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Fax (902) 426-9710</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Email Mark.Fowler@dfo-mpo.gc.ca</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Home Tel. (902) 461-0708</span><span style='color:#1F497D'> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Home Email mark.fowler@ns.sympatico.ca</span><span lang=EN-US style='color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Ian Taylor - NOAA Federal [mailto:ian.taylor@noaa.gov] <br><b>Sent:</b> May 3, 2013 1:43 PM<br><b>To:</b> Fowler, Mark<br><b>Cc:</b> John Sibert; users@admb-project.org<br><b>Subject:</b> Re: [ADMB Users] comparing highly parameterized models<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Credit where credit is due: it was Ian Stewart, not me, who developed the approach and responded to the previous emails.<o:p></o:p></p><div><p class=MsoNormal>-Ian<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Fri, May 3, 2013 at 5:04 AM, Fowler, Mark <<a href="mailto:Mark.Fowler@dfo-mpo.gc.ca" target="_blank">Mark.Fowler@dfo-mpo.gc.ca</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Thanks, John, I've got it. Slight misunderstanding, my subject header<br>was inadequate. I'm okay for comparing models where the number of<br>parameters are easily determined. My question concerned determination of<br>the number of 'real' parameters represented by deviation parameters. Ian<br>Taylor developed an approach to approximate the number of parameters for<br>comparing Stock Synthesis models (the excerpt in my email), and I was<br>asking for details on how a couple of scalars used by Ian were derived.<br>Both Ian and Steve Martell responded, giving me a handle on them. I'll<br>need to compute DIC's to estimate the effective number of parameters.<o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>> Mark Fowler<br> Population Ecology Division<br>> Bedford Inst of Oceanography<br>> Dept Fisheries & Oceans<br>> Dartmouth NS Canada<br> B2Y 4A2<br> Tel. <a href="tel:%28902%29%20426-3529">(902) 426-3529</a><br> Fax <a href="tel:%28902%29%20426-9710">(902) 426-9710</a><br> Email <a href="mailto:Mark.Fowler@dfo-mpo.gc.ca">Mark.Fowler@dfo-mpo.gc.ca</a><br> Home Tel. <a href="tel:%28902%29%20461-0708">(902) 461-0708</a><br> Home Email <a href="mailto:mark.fowler@ns.sympatico.ca">mark.fowler@ns.sympatico.ca</a><br><br><o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>-----Original Message-----<br>From: <a href="mailto:users-bounces@admb-project.org">users-bounces@admb-project.org</a><br>[mailto:<a href="mailto:users-bounces@admb-project.org">users-bounces@admb-project.org</a>] On Behalf Of John Sibert<br>Sent: May 2, 2013 4:03 PM<br>To: <a href="mailto:users@admb-project.org">users@admb-project.org</a><br>Subject: Re: [ADMB Users] comparing highly parameterized models<o:p></o:p></p></div><div><div><p class=MsoNormal>A less garbled link perhaps<br><a href="http://www.soest.hawaii.edu/PFRP/reprints/multifan.pdf" target="_blank">http://www.soest.hawaii.edu/PFRP/reprints/multifan.pdf</a><br><br>John Sibert<br>Emeritus Researcher, SOEST<br>University of Hawaii at Manoa<br>Honolulu HI (GMT-10)<br><a href="tel:808-294-3842">808-294-3842</a><br><br>Visit the ADMB project <a href="http://admb-project.org/" target="_blank">http://admb-project.org/</a><br><br>On 05/02/2013 08:15 AM, dave fournier wrote:<br>><br>> This is far too long to read, but we approached model selection in<br>> the multifan cl model using approximate Bayes factors whihc enabled us<br><br>> to copmoare non nested models.<br>><br>> This link might have survived being copied.<br>><br>><br>><br>> <a href="http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&" target="_blank">http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&</a><br>> sqi=2&ved=0CEAQFjAD&url=http%3A%2F%<a href="http://2Fwww.soest.hawaii.edu" target="_blank">2Fwww.soest.hawaii.edu</a>%2Fpfrp%2Frep<br>> rints%2Fmultifan.pdf&ei=lKyCUc-lMYPHiwKk_YDQDA&usg=AFQjCNEW-tR28NpujfA<br>> kDNC5BDVIumdQhA&sig2=49idpQ7NXkxhrLbIYcULfg&bvm=bv.45960087,d.cGE<br>><br>> _______________________________________________<br>> Users mailing list<br>> <a href="mailto:Users@admb-project.org">Users@admb-project.org</a><br>> <a href="http://lists.admb-project.org/mailman/listinfo/users" target="_blank">http://lists.admb-project.org/mailman/listinfo/users</a><br>><br><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@admb-project.org">Users@admb-project.org</a><br><a href="http://lists.admb-project.org/mailman/listinfo/users" target="_blank">http://lists.admb-project.org/mailman/listinfo/users</a><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@admb-project.org">Users@admb-project.org</a><br><a href="http://lists.admb-project.org/mailman/listinfo/users" target="_blank">http://lists.admb-project.org/mailman/listinfo/users</a><o:p></o:p></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>