search for: landcover_gb

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2010 Mar 19
0
relaimpo - dummy variable
...elaimpo). I have a model with numerical predictors and one dummy (class) variable. I would like to calculate the relative importance of the predictors but I have some problems with the dummy variable. The name of the linear model is "lmbroadst.lc" and the dummy variable is "datacon.landcover_gb" (with 7 levels). I write the command as: boot <- boot.relimp(lmbroadst.lc, b = 500, type = c("lmg", "last", "first"), rank = TRUE, group = datacon.landcover_gb, diff = TRUE, rela = TRUE) The error message is: Error in boot.relimp.lm(lmbroadst.lc, b = 500,...