Meta-analysis is a commonly used approach to increase the sample size for genome-wide association searches when individual studies are otherwise underpowered. Here, we present a meta-analysis ...

For studies with hierarchical noise sources, use a nested analysis of variance approach. Figure 1: Inferences about fixed factors are different than those about random factors, as shown by box-plots ...

Basic Concepts -- Everglades Example -- Statistical Issues -- R -- What Is R? -- Getting Started with R -- R Commander -- Statistical Assumptions -- Normality Assumption -- Independence Assumption -- ...