For uncorrelated factors, the variance explained by a factor can be computed with or without taking the weights into account. The usual method for computing variance accounted for by a factor is to ...

A common genetic pathway may account for increased risk for atherosclerotic disease in patients with chronic widespread musculoskeletal pain.

PROC VARCLUS also displays a cluster summary and a cluster listing. The cluster summary gives the number of variables in each cluster and the variation explained by the cluster component. The latter ...