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Table 2 Summary of bootstrap results compares the estimated threshold with the bootstrap distribution for the four selected methods.

From: Comparison of threshold selection methods for microarray gene co-expression matrices

Method

Dataset

Estimated Threshold

Bootstrap Mean

Differencea

Bootstrap Standard Deviation

Maximal Clique-2

Anoxia

0.90

0.91

-0.01

0.015

 

Reoxy

0.91

0.93

-0.02

0.009

 

Alpha

0.74

0.78

-0.04

0.057

Spectral Clustering

Anoxia

0.93

0.95

-0.02

0.012

 

Reoxy

0.97

0.97

0.00

0.011

 

Alpha

0.89

**0.95

-0.06

0.017

Top 1 Percent

Anoxia

0.81

0.83

-0.02

0.011

 

Reoxy

0.81

0.84

-0.03

0.016

 

Alpha

0.72

**0.79

-0.07

0.027

Control Spot

Anoxia

0.93

0.95

-0.02

0.015

 

Reoxy

0.83

**0.90

-0.07

0.034

 

Alpha

0.70

**0.82

-0.12

0.043

  1. a Estimated threshold minus bootstrap mean.
  2. ** Estimated threshold is more than 2 std. deviations from bootstrap mean.