Table 5

Simulation results

Scenario
Average
Average
Proportion
Proportion
Average

number
number
of harvest
of true
correlation

in
in
genes in
genes in


true
estimate
true
harvest


3,624 total genes, 36 samples. Relative risk = 2.0 in additive scenarios
p =1
1.0
2.4
0.80
0.80
0.86
2 <p < 10
3.4
4.8
0.60
0.60
0.91
10 <p <300
26.2
6.4
0.60
0.19
0.77
Interaction
3.4
2.6
0.28
0.21
0.65
3,624 total genes, 36 samples. Relative risk = 1.0 in additive scenarios
p =1
1.0
1.6
0.24
0.60
0.61
2 <p <10
3.4
4.6
0.13
0.20
0.58
10 <p <300
26.2
3.8
0.40
0.21
0.61
1,622 total genes, 129 samples. Relative risk = 2.0 in additive scenarios
p = 1
1.00
1.60
0.77
1.00
0.97
2 <p <10
2.80
3.00
0.93
1.00
0.99
10 <p <300
64.6
16.6
0.94
0.66
0.91
Interaction
9.4
7.6
0.85
0.87
0.86

The value p is the number of genes in the true underlying model.

Hastie et al. Genome Biology 2001 2:research0003.1   doi:10.1186/gb-2001-2-1-research0003