Hi all,

I am new to phylogenetic methods, I used Phylogenetically independent contrasts (PICs, function “pic” in package “ape”) to assess the relationships between functional traits and demographic rates, environmental conditions and demographic rates, and compared these relationships with using raw values. I found some new significant relationships appeared compared to use raw values, but some significant relationships in raw values disappeared when used PICs. I am uncertain why these change would occur, can anyone help interpret these results? Thanks a lot.

 

winnie
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