Null, addterm, boxcox, dropterm, fractions, ginv, glm.convert, glm.nb, glmmPQL, isoMDS, kde2d, lda, lm.gls, logtrans, lqs, mvrnorm, negative.binomial, polr, qda, rlm, rnegbin, sammon, stdres, stepAIC, studres, theta.md, theta.ml, theta.mm, ucv, width.SJ