G. Lawrence Powell

2 Questions 2 Answers 0 Followers

Questions related from G. Lawrence Powell

Is there a software package that will hande resistant-fit theta-rho analysis for 3-D landmark configurations?

I have a large set of 3-D landmark configurations for a number of species, all of which have short or long asperities. Doing a Procrustes fit is straightforwards, but I am concerned about the...

07 March 2022 1,194 2 View

Are there any equivalents to Acctran and Deltran when one is using squared change parsimony to reconstruct ancestral shapes?

I'm using squared-change parsimony to reconstruct ancestral shapes. The phylogeny has a number of deep nodes, with relatively few recent nodes, and reconstructed shapes in the deep nodes resemble...

22 September 2015 8,722 1 View