Stokes, Maura Ellen. Categorical data analysis using the SAS system [electronic resource] / Maura E. Stokes, Charles S. Davis, Gary G. Koch. - 2nd ed. - Cary, NC : SAS Institute, 2003. - 1 online resource. Includes bibliographical references and index. ISBN: 9781580257107 9780585454795 (electronic bk.) Subjects--Uniform Titles: SAS (Computer file) Subjects--Topical Terms: Mathematical statistics--Data processing. LC Class. No.: QA276.4 / .S74 2003