Thank you Andrea for clarifying this. You are one of the most honest and modest people I know, and I am glad that your side of this story is now in the open. You have my support, as always. Una
On Wed, 15 May 2019, 06:33 andrea cardini, <alcard...@gmail.com> wrote: > I have to correct Fred on this: > > we accelerated our writing. My paper was the first to be finished, > > probably because it is a single-authored item by an emeritus with no > > other obligations, > > No, WE did not accelerate the writing. We started a cooperation, after > my small finding, and we were supposed to work all together on this. At > some stage, we heard no more from Fred and I suggested to have two > companion papers, but NEVER got an answer from Fred. > Months later, Fred let us know he was presenting and discussing results > (without ever asking me if I was OK with this). Finally, HE decided to > go on on his own, submit and announce in this list (again letting me > know after he was done). This is an accurate reconstruction of the > events. The other one is not and Fred was not unaware that I wasn't OK: > before the preprint he just announced, he (again without ever asking) > had already done an informal presubmission to a journal and the journal > has my written complaint about it. > > I let the morphometric community judge if this is the appropriate > behaviour. Certainly it is not what I teach students, but possibly it is > what a famous retired emeritus and one of the leader of a scientific > community can do. > > All the best > > Andrea > > PS > On a technical side, as I never thought that CVA was the source of all > evil and BG-PCA a simple solution, here too I agree that the method has > some problems but I am more than confident that it can still be WISELY > applied in many cases. That small N (especially when one works with > small differences) and large p (numbers of variables) are not desirable > in very many types of analyses is written in all introductory textbook > on multivariate stats (at least those written in simple non-mathematical > language for non-numerically skilled people like me). > In relation to this, there's a point I raised many times for years in > this list and in some of my papers: one uses the specific landmarks > required for her/his specific aim (I am in debt to Paul O'Higgins for > teaching me this). Semilandmarks are a great tool but should be used > when really needed and bearing in mind that almost inevitably p will > become big and that might create problems. There are different views on > this, including that having many points makes beautiful pictures: I > agree but probably most of the time that is not the aim of a biologist. > However, there might be cases when even with small N semilandmarks might > be a huge step forward and possibly the best example I know it's the > virtual reconstruction of fossils (further analysis of those data may > then be harder, because of very big p and small N). > I definitely share the frustration of many taxonomists and > palaeontologists who have often very precious material and very small > samples and want to get the most out of them. Regardless of p/N > problems, estimates of means will be then inevitably inaccurate (and > sometimes even biased, as the sample could be few and maybe related > individuals of a rare species). Sometimes those means could be OKish > (macroevolutionary analyses with very large differences?); most of the > time they will be as accurate as trying to estimate the average body > height of Italian men using a sample of 10 men from the same small > region of Italy. Again, not my discovery: it's all in the introductory > stats textbook, but I myself too often forget about it. > > > > -- > > Dr. Andrea Cardini > Researcher, Dipartimento di Scienze Chimiche e Geologiche, Università di > Modena e Reggio Emilia, Via Campi, 103 - 41125 Modena - Italy > tel. 0039 059 2058472 > > Adjunct Associate Professor, Centre for Forensic Anthropology, The > University of Western Australia, 35 Stirling Highway, Crawley WA 6009, > Australia > > E-mail address: alcard...@gmail.com, andrea.card...@unimore.it > WEBPAGE: https://sites.google.com/site/alcardini/home/main > > FREE Yellow BOOK on Geometric Morphometrics: > https://tinyurl.com/2013-Yellow-Book > > ESTIMATE YOUR GLOBAL FOOTPRINT: > http://www.footprintnetwork.org/en/index.php/GFN/page/calculators/ > SUPPORT: secondwarning.org > > -- > MORPHMET may be accessed via its webpage at http://www.morphometrics.org > --- > You received this message because you are subscribed to the Google Groups > "MORPHMET" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to morphmet+unsubscr...@morphometrics.org. > > -- MORPHMET may be accessed via its webpage at http://www.morphometrics.org --- You received this message because you are subscribed to the Google Groups "MORPHMET" group. To unsubscribe from this group and stop receiving emails from it, send an email to morphmet+unsubscr...@morphometrics.org.
