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Hi all, I thought that readers of R-Help might find the following article at ScienceNews of interest: Odds Are, It's Wrong Science fails to face the shortcomings of statistics By Tom Siegfried March 27th, 2010; Vol.177 #7 (p. 26) http://www.sciencenews.org/view/feature/id/57091/title/Odds_are,_its_wrong Regards, Marc Schwartz

...wn that. There?s ambiguity here and we should learn to deal with it.? --- Aside from, "Well, duhhh...," my reaction was: what other misleading "data" are being thrown around in the public domain whose uncertainty has been blithely ignored.... Don't answer that! http://www.sciencenews.org/view/generic/id/340450/title/Crime_numbers_may_mislead_ Cheers, Bert -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm

A really nice example of an instance where an "outlier" was the whole story scientifically and hiding it with statistical summaries, here an "average" of some sort, lost the science. Moral: "Look at your data and think." (Ellis Ott) https://www.sciencenews.org/article/proxima-centauri-flare-may-have-fried-earths-nearest-exoplanet?tgt=nr Cheers, Bert [[alternative HTML version deleted]]