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Table 4 ANOVA table to quantify variability

From: Mixture models for gene expression experiments with two species

   

Categories (1, 2, 3, 4, 5, 6)

Categories (1, 2, 3, 4, 7, 8)

 

Source of variation

df

Sum of squares

Sum of squares

Case I

Replicates

1

1,141(0.006)

7,319,401(0.408) ∗

 

Mean magnitude

1

5,415,341(11.560) ∗

4,982,736(0.252) ∗

 

Array noise

1

1,561,198(15.950) ∗

6,353(0.042)

 

Replicates Ă— Mean magnitude

1

1,197(0.032)

392,099(0.122) ∗

 

Replicates Ă— Array noise

1

697(0.012)

351(0.011)

 

Mean magnitude Ă— Array noise

1

400,720(7.021) ∗

16,601(0.043) ∗

 

Replicates Ă— Mean magnitude Ă— Array noise

1

145(0.002)

214(0.010)

 

Error

3,992

1,689,667(12.887)

592,184(1.817)

 

Total

3,999

9,070,107(47.471)

13,309,941(2.706)

Case II

Replicates

1

73,917(0.006)

3,676,664(2.888)

 

Mean magnitude

1

6(56.346)

22,274(2.830)

 

Array noise

1

130,794(43.770) ∗

865,448(0.001) ∗

 

Replicates Ă— Mean magnitude

1

37,277(0.190)

36,778(1.038)

 

Replicates Ă— Array noise

1

34,404(0.015)

5,065(0.049)

 

Mean magnitude Ă— Array noise

1

929,915(17.537)

19,128(0.043)

 

Replicates Ă— Mean magnitude Ă— Array noise

1

1,467(0.004)

58(0.000)

 

Error

3,992

103,604,971(47.182)

304,161,196(27.427)

 

Total

3,999

104,812,751(165.052)

308,786,610(34.276)

  1. ANOVA was performed independently for simulation studies case I and case II to quantify the variability among the results (gene counts and observed FDRs). Numbers in parentheses are the sum of squares for the observed FDRs. For gene counts, *indicates which sources of variability could be declared significant at level α = 0.05.