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Table 3 Type I error and power of the model to check differentially expressed FC patterns between two groups in term of simulation setting: sample size N, structure of between-subject variability, number of regions V, degree of heterogeneity and dependence among the edges ρ = 0.7

From: Group-level comparison of brain connectivity networks

p = 0.7

  

Compound Symmetry

Scaled

  

Heterogeneity

Heterogeneity

V

N

Low

High

Low

High

Type

 I 

Error

20

10

0.050

0.020

0.070

0.070

25

0.040

0.010

0.040

0.030

25

10

0.030

0.060

0.050

0.050

25

0.080

0.060

0.040

0.040

30

10

0.030

0.050

0.070

0.080

25

0.080

0.050

0.070

0.070

Power

20

10

0.070

0.050

0.910

0.900

25

0.150

0.250

1.000

1.000

25

10

0.100

0.110

0.880

0.870

25

0.190

0.400

1.000

1.000

30

10

0.200

0.260

1.000

1.000

25

0.600

0.770

1.000

1.000