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.
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?
MORPHMET may be accessed via its webpage at http://www.morphometrics.org
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