what about plotting the predictor vs. the residual (or squared residual) in your fitted model? On Thu, Aug 8, 2013 at 3:10 PM, Eugenie Hunsicker <[log in to unmask]>wrote: > Hi all, > > I am interested in understanding the effect of various predictor > variables on the spread of a given response variable. I know how to use > permutation > tests to compare spreads between two groups, but I > am wondering if there is some way to create something like a regression > model using either > permutation or bootstrap methods that will perform reasonably for studying > the effect of predictors > on spread. Does anyone know of such an approach? > > Thanks, > Eugenie > > You may leave the list at any time by sending the command > > SIGNOFF allstat > > to [log in to unmask], leaving the subject line blank. > You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.