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Corrections: Conditions for a Quadratic Form to Have a Chi-Squared Distribution

✍ Scribed by I. J. Good

Book ID
124289011
Publisher
Oxford University Press
Year
1970
Tongue
English
Weight
133 KB
Volume
57
Category
Article
ISSN
0006-3444

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Centralizing the non-central chi-square:
Centralizing the non-central chi-square: a new method to correct for population stratification in genetic case-control association studies
✍ Prakash Gorroochurn; Gary A. Heiman; Susan E. Hodge; David A. Greenberg πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 249 KB πŸ‘ 2 views

## Abstract We present a new method, the δ‐centralization (DC) method, to correct for population stratification (PS) in case‐control association studies. DC works well even when there is a lot of confounding due to PS. The latter causes overdispersion in the usual chi‐square statistics which then h