This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

The iris data published by Fisher (1936) have been widely used for examples in discriminant analysis and cluster analysis. The sepal length, sepal width, petal length, and petal width are measured in ...

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The correct application of the variance inflation factor approach for sample size calculations in trials that randomize intact clusters of individuals rests on knowledge of the variance of the outcome ...