Dean, Thank you for the thorough and informative response. For the record, I checked with Chris Klingenberg and he confirmed that MorphoJ calculates PICs along each dimension individually as well. I think I'll opt for this method over the McPeek procedure.
Much appreciated, Sarah On Tuesday, March 27, 2018 at 11:02:10 AM UTC-7, Sarah Friedman wrote: > > Hi all, > > Primarily, I'm wondering if there is a way to calculate phylogenetic > independent contrasts on multivariate shape data in R. However if no R > method exists, I know a method to do this is implemented in MorphoJ, and I > could possibly code an analogous method in R but I'm unsure how the > contrasts are calculated. Does anybody know if the independent contrasts > are calculated using the method described in McPeek (1994), the Euclidean > distances between contrasts on each branch, or another method? > > Thanks, > Sarah -- 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.
