There is a remarkable discussion of shape vs. form in the book THE DISINTEGRATION OF FORM IN THE ARTS by Erich Kahler (1885-1970). Sender: [EMAIL PROTECTED] Precedence: bulk
Erich Kahler was a close friend of Einstein and Thomas Mann. Kahler even gave Einstein the money to buy a house in Princeton. Kahler's principal works are: MAN THE MEASURE, called "the best history of the rise of man and of humanity I know", by anthropologist Ashley Montagu. THE TOWER AND THE ABYSS THE MEANING OF HISTORY THE JEWS AMONG THE NATIONS THE GERMANS THE INWARD TURN OF NARRATIVE David Herman [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: > Dear Morphometricians, > Sender: [EMAIL PROTECTED] > Precedence: bulk > > I have difficulty defining the concepts "form" and "shape". Following > the review posted at the SUNY Stony Brook webpage by Adams, Rohlf and > Slice, matrices containing average distances between pairs of landmarks > for each sample being compared are form matrices because they include > both size and shape information. > > On the other hand, if one subtracts the means from a matrix of > log-transformed variables (i.g. if one subtracts the isometric > component), could be named the residual matrix a form matrix because it > have both size and shape information (allometry)? In multivariate > analyses as CPCA or mgPCA, size effects could be sequestered in one > variable (first PC) rendering matrices free of allometric effects as can > be verified indirectly by linear regression. In this case, how I could > name those matrices? > > It is not easy for me to understand the concept of shape free of > allometry. Is it defined only for need (or convenience) in the > multivariate statistics, or actually can it be found in biological > structures? > > Please excuse me my poorly defined grammatical structure of English. > > Thanks in advance, > > Nicol�s > > Nicol�s Jaramillo O. M.S., Ph.D. > Professor, Instituto de Biolog�a, Universidad de Antioquia > A.A. 1226, Medell�n, Colombia > Phone: (+57 4) 210 5626, Fax: (+57 4) 233 01 20 > E-mail: [EMAIL PROTECTED]; [EMAIL PROTECTED] > > == > Replies will be sent to list. > For more information see http://life.bio.sunysb.edu/morph/morphmet.html. == Replies will be sent to list. For more information see http://life.bio.sunysb.edu/morph/morphmet.html.
