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Table 2 Simulated power of four statistics, UniFrac (UniF), W-UniFrac (WUniF), VAW-UniFrac (T), and SqT in Simulation 2.

From: Variance adjusted weighted UniFrac: a powerful beta diversity measure for comparing communities based on phylogeny

Pivot

0°

6°

12°

26°

71°

Power

UniF: 0.050

UniF: 0.185

UniF: 0.822

UniF: 1.000

UniF: 1.000

 

WUniF: 0.047

WUniF: 0.126

WUniF: 0.339

WUniF: 0.981

WUniF: 1.000

 

T: 0.050

T: 0.166

T: 0.577

T: 1.000

T: 1.000

 

SqT: 0.049

SqT: 0.157

SqT: 0.554

SqT: 1.000

SqT: 1.000

  1. The "pivot" is the rotation angle between the long axes of the two ellipses. The number of simulations is 1000, and the type 1 error rate is set at 0.05.