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Table 1 Simulation settings.

From: An exploratory data analysis method to reveal modular latent structures in high-throughput data

Parameters

Values

 

Modular factor model

  

Type of hidden factors

Gaussian, mixed

 

Number of samples

100

 

Number of modules

5

10

Number of genes per module

200

100

Maximum number of factors per module

4

3

Minimum number of factors per module

1

 

% non-zero loadings within module

40%, 70%, 100%

 

Number of pure noise genes

200, 1000

 

Signal to noise ratio

0.5, 1, 2

 

Global sparse factor model

  

Type of hidden factors

Gaussian, mixed

 

Number of samples

100

 

Number of genes

2500 #

 

Number of factors

20

 

Average number of factors governing each gene

0.5, 1, 2, 5, 10, 20

 

Signal to noise ratio

0.5, 1, 2

 
  1. # 2000 potentially governed by the factors, 500 pure noise genes.