Epistasis Power Calculator 1i
This module estimates the power to detect an interaction between 2 SNPs using an odds ratio (OR) test and logistic regression.
It is still under development!
1. Allele frequencies and disease prevalence
Frequency of allele 'a' (at the A locus) [0.0001 - 0.9999]
Frequency of allele 'b' (at the B locus) [0.0001 - 0.9999]
Disease prevalence, ie. P(D) [0.0001 - 0.9999]
2. Association model
Genotype Relative Risk Aa [>0]
Genotype Relative Risk aa [>0]
Genotype Relative Risk Bb [>0]
Genotype Relative Risk bb [>0]
3. Epistasis model
Genotype Relative Risk for interaction [>0]
4. Sample
Number of cases
Number of controls
Type-I error rate - power of epistasis [1e-14 - 0.5]
Type-I error rate - power of association [1e-14 - 0.5]