search for: contrastvar

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2012 Jan 03
1
returning information from functions via attributes rather than return list
...dm: design matrix, only includes intercept and predictors dm <- model.matrix(model, data=rdf, contrasts.arg = model$contrasts, xlev = model$xlevels) ##contrastIdx: indexes of contrast variables in dm contrastIdx <- which(attr(dm, "assign")== match(isFac, tl)) contrastVars <- colnames(dm)[contrastIdx] nc <- c(nc, contrastVars) dm <- as.data.frame(dm) hasIntercept <- attr(t, "intercept") if (hasIntercept) dm <- dm[ , -1] # removes intercept, column 1 dv <- rdf[ ,names(tmdc)[1]] #tmdc[1] is response variable...