Thank you very much Carmelo. You have been immensely helpful. On Thursday, August 2, 2018 at 1:32:02 PM UTC-4, Ian F wrote: > > I am trying to do an analysis of three specimens. I am using > semi-landmarks and having trouble. perhaps someone can point out mt error? > these are my results > > Generalized Procrustes Analysis > with Partial Procrustes Superimposition > > -4 fixed landmarks > 12 semilandmarks (sliders) > 2-dimensional landmarks > 6 GPA iterations to converge > Minimized Bending Energy used > > > Consensus (mean) Configuration > > X Y > [1,] 0.51447153 -0.03794928 > [2,] 0.36957021 0.11431610 > [3,] -0.11602250 0.19898458 > [4,] -0.40489951 0.11095030 > [5,] -0.43738229 -0.09965594 > [6,] -0.20913543 -0.09698422 > [7,] 0.04257626 -0.09131803 > [8,] 0.29799009 -0.04811314 > > it should be three individuals with 4 landmarks and 4 sliders each. i want > to perform PCA on the procrustes coordinates. my code and data are below. > Im new to R and its probably an easy fix im just really confused. any help > is greatly appreciated. > > > > > > > Code: Y <- arrayspecs(coordsrformat, k=2, p= ncol(coordsrformat)/2) > > slidermatrix > > Y.gpa <- gpagen(Y,curves=slidermatrix) > summary(Y.gpa) > plot(Y.gpa) > > Y.gpa <- gpagen(Y,curves=slidermatrix,ProcD=FALSE ) > summary(Y.gpa) > plot(Y.gpa) > a<-(Y.gpa$coords) > plotTangentSpace(a) > > > > > slider matrix: > > before slide after > 5 6 7 > 7 8 1 > 1 2 3 > 3 4 5 > 1 8 7 > 7 6 5 > 5 4 3 > 3 2 1 > 1 2 3 > 3 4 5 > 5 6 7 > 7 8 1 > > > coordsrformat: > > > 1630 1827 1530 1549 1198 1345 908 > 1557 833 1840 1027 1895 1223 > 1907 1417 1887 > > 2767 1081 2633 1581 2139 2047 1693 > 1753 1535 1159 1841 1067 2151 > 1009 2437 1071 > > 2956 928 2936 1692 2112 2360 1300 > 1784 1304 1016 1700 888 2084 > 832 2480 872 > > > > >
-- 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.
