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 ...

The main objective of this paper is to provide experimental designs for the estimation of fixed effects and two variance components, in the presence of nested random effects. Random nested factors ...

Structural nested models (SNMs) and the associated method of G-estimation were first proposed by James Robins over two decades ago as approaches to modeling and estimating the joint effects of a ...

Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...

Nested variant of urothelial carcinoma was described as a malignant entity by Talbert and Young (1). This lesion has a deceptive benign appearance, characterized by confluent small nests or abortive ...