: Thursday, June 30, 2011 6:58 PM
To: charlotte De Busschere; r-sig-phylo@r-project.org
Subject: RE: [R-sig-phylo] small sample size and detecting phylogenetic
signal with Blombergs K statistic
Dear Charlotte,
No, you do not want to do this.
As shown in Blomberg et al. (2003), the tests
Dear Charlotte,
No, you do not want to do this.
As shown in Blomberg et al. (2003), the tests for statistical significance do
not work well when you have fewer than about 20 species.
The estimate of the K statistic (indicating the amoung of phylogentic signal)
is fine for small sample sizes,