Version:Ībind, MASS, mgcv, nnet, pbkrtest (≥ 0.4-4), quantreg, grDevices, utils, stats, graphics, maptools, lme4 (≥Īlr4, boot, coxme, effects, knitr, leaps, lmtest, Matrix, MatrixModels, rgl (≥ 0.93.960), rio, sandwich, SparseM, survival, surveyĮconometrics, Finance, Multivariate, SocialSciences, TeachingStatistics Weisberg,Īn R Companion to Applied Regression, Third Edition, Sage, 2019.