1994-2001 current publications

Genetic Epidemiology 2000; 19:S22.

Variance components QTL linkage analysis of selected and non-normal samples: conditioning on trait values.

Sham, P.C., Zhao, J.H., Cherny, S., & Hewitt, J.K.

Standard variance-components QTL linkage analysis can produce an elevated rate of type 1 errors when applied to selected samples and non-normal data. Here we describe an adjustment that leads to a test that is valid in these samples.

Division of Substance Dependence