This classic textbook introduces multivariate analysis to non-statisticians in the biomedical, social, and management sciences. Each chapter in this fifth edition features an updated discussion and listing of computer software packages, including S-PLUS, SAS, SPSS, Stata, and STATISTICA. In addition to new references, new data sets, and new problems with solutions, this edition offers a brief discussion of R and provides a new chapter on multilevel analysis, which includes coverage of random- and mixed-effects regression models for continuous and binary outcome data.