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Table 2 Summary statistics of parameter estimates for rate asymmetry simulations with 500 taxa under low and high tip bias scenarios

From: Exploring power and parameter estimation of the BiSSE method for analyzing species diversification

Rate asymmetry

λ0

λ1

q 10

q 01

μ 0

μ 1

Speciation (Figure 3 )

      

Low Tip Bias (31:10)

      

Simulated

0.1

0.125

0.01

0.01

0.03

0.03

Estimated (Mean ± S e )

0.101 ± 0.018

0.125 ± 0.013

0.01 ± 0.003

0.01 ± 0.006

0.035 ± 0.031

0.029 ± 0.022

Medium Tip Bias (401:10)

      

Simulated

0.1

0.5

0.01

0.01

0.03

0.03

Estimated (Mean ± S e )

0.107 ± 0.119

0.502 ± 0.033

0.012 ± 0.007

0.09 ± 0.295

0.103 ± 0.33

0.034 ± 0.046

High Tip Bias (1801:10)

      

Simulated

0.1

2.0

0.01

0.01

0.03

0.03

Estimated (Mean ± S e )

0.377 ± 2.57

2.048 ± 0.124

0.018 ± 0.028

3.1 ± 7.6

1.78 ± 4.85

0.11 ± 0.17

Character Change (Figure 4 )

      

Low Tip Bias (21:10)

      

Simulated

0.1

0.1

0.005

0.01

0.03

0.03

Estimated (Mean ± S e )

0.103 ± 0.033

0.099 ± 0.011

0.005 ± 0.002

0.0099 ± 0.005

0.038 ± 0.053

0.03 ± 0.02

Medium Tip Bias (101:10)

      

Simulated

0.1

0.1

0.005

0.05

0.03

0.03

Estimated (Mean ± S e )

0.104 ± 0.032

0.098 ± 0.009

0.0058 ± 0.006

0.057 ± 0.218

0.048 ± 0.075

0.026 ± 0.014

High Tip Bias (401:10)

      

Simulated

0.1

0.1

0.005

0.2

0.03

0.03

Estimated (Mean ± S e )

0.142 ± 0.145

0.098 ± 0.008

0.008 ± 0.009

0.193 ± 0.443

0.281 ± 0.462

0.023 ± 0.014

Extinction (Figure 5 )

      

Low Tip Bias (21:10)

      

Simulated

0.1

0.1

0.01

0.01

0.06

0.03

Estimated (Mean ± S e )

0.1 ± 0.02

0.099 ± 0.01

0.009 ± 0.002

0.009 ± 0.006

0.063 ± 0.031

0.028 ± 0.016

Medium Tip Bias (31:10)

      

Simulated

0.1

0.1

0.01

0.01

0.09

0.03

Estimated (Mean ± S e )

0.077 ± 0.014

0.102 ± 0.009

0.009 ± 0.003

0.012 ± 0.013

0.093 ± 0.047

0.027 ± 0.014

High Tip Bias (101:10)

      

Simulated

0.1

0.1

0.01

0.01

0.3

0.03

Estimated (Mean ± S e )

0.116 ± 0.109

0.098 ± 0.008

0.013 ± 0.03

0.194 ± 1.2

0.29 ± 0.33

0.028 ± 0.015