These functions are were deprecated in 2009 and are now defunct.
av.plot(...)
av.plots(...)
box.cox(...)
bc(...)
box.cox.powers(...)
box.cox.var(...)
box.tidwell(...)
cookd(...)
confidence.ellipse(...)
ceres.plot(...)
ceres.plots(...)
cr.plot(...)
cr.plots(...)
data.ellipse(...)
durbin.watson(...)
levene.test(...)
leverage.plot(...)
leverage.plots(...)
linear.hypothesis(...)
ncv.test(...)
outlier.test(...)
qq.plot(...)
skewPower(...)
spread.level.plot(...)pass arguments down.
av.plot and av.plots are replaced by avPlot and avPlots functions.
box.cox and bc are now replaced by bcPower.
box.cox.powers is replaced by powerTransform.
box.cox.var is replaced by boxCoxVariable.
box.tidwell is replaced by boxTidwell.
cookd is replaced by cooks.distance in the stats package.
confidence.ellipse is replaced by confidenceEllipse.
ceres.plot and ceres.plots are now replaced by the ceresPlot and ceresPlots
functions.
cr.plot and cr.plots are now replaced by the crPlot and crPlots functions.
data.ellipse is replaced by dataEllipse.
durbin.watson is replaced by durbinWatsonTest.
levene.test is replaced by leveneTest function.
leverage.plot and leverage.plots are now replaced by the leveragePlot and leveragePlots
functions.
linear.hypothesis is replaced by the linearHypothesis function.
ncv.test is replaced by ncvTest.
outlier.test is replaced by outlierTest.
qq.plot is replaced by qqPlot.
skewPower is replaced by bcnPower.
spread.level.plot is replaced by spreadLevelPlot.