Additional file 25: Figure S7A.
The power curves of the family-based corrected single marker χ2 statistic under opposite directions of association as a function of the total number of individuals at the significance level α = 0.05 in the test under seven settings: unrelated individuals in cases-controls study, nuclear family groups 1 and 2, sib-pair groups 1 and 2 and three generation family groups 1 and 2, assuming an additive model, 20% of the risk variants and a baseline penetrance of 0.01.
Format: PDF Size: 11KB Download file
This file can be viewed with: Adobe Acrobat Reader
Shugart et al. BMC Genomics 2012 13:667 doi:10.1186/1471-2164-13-667