SAS/STAT® 9.3 User’s GuideAcknowledgments(Chapter)

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Chapter 1

Acknowledgments

Credits

Documentation

Editing Anne Baxter

Documentation Support Tim Arnold

Software

The procedures and applications in SAS/STAT software were implemented by the following members ofthe development staff. Program development includes design, programming, debugging, support, and doc-umentation. In the following list, the names of the developers who currently provide primary support arelisted first; other developers and previous developers are also listed.

ACECLUS Warren F. Kuhfeld, Ann Kuo, Warren S. Sarle,Donna Lucas Watts

ANOVA Randall D. Tobias, Yang C. YuanBOXPLOT Bucky Ransdell, Robert N. RodriguezCALIS Yiu-Fai YungCANCORR Warren F. Kuhfeld, Ann Kuo, Warren S. Sarle,

Donna Lucas WattsCANDISC Warren F. Kuhfeld, Warren S. Sarle, Yang C. YuanCATMOD Robert E. Derr, John P. Sall, Donna Lucas WattsCLUSTER Bart Killam, Warren S. SarleCORRESP Warren F. KuhfeldDISCRIM Warren F. Kuhfeld, Warren S. Sarle, Yang C. YuanDISTANCE Warren F. Kuhfeld, Ann KuoFACTOR Yiu-Fai Yung, John P. Sall,

Warren S. SarleFASTCLUS Bart Killam, Warren S. Sarle, Donna Lucas WattsFMM John Castelloe, Oliver SchabenbergerFREQ Donna Lucas Watts, John P. Sall

iv F Chapter 1: Acknowledgments

GAM Weijie Cai, Robert Cohen, Randall D. TobiasGENMOD Gordon JohnstonGLIMMIX Min Zhu, Oliver SchabenbergerGLM Randall D. Tobias, James H. Goodnight, John P. Sall,

Warren S. Sarle, Yang C. YuanGLMMOD Randall D. TobiasGLMPOWER John Castelloe, Mike CybrynskiGLMSELECT Robert CohenHPMIXED Tianlin WangINBREED Wendy Czika, Anthony Baiching AnKDE Bucky Ransdell, Russell D. WolfingerKRIGE2D Alexander Kolovos, Bart KillamLATTICE Randall D. Tobias, Oliver Schabenberger,

Russell D. WolfingerLIFEREG Gordon JohnstonLIFETEST Ying SoLOESS Robert CohenLOGISTIC Robert E. Derr, Ying SoMCMC Fang ChenMDS Warren S. Sarle, Warren F. KuhfeldMI Yang C. YuanMIANALYZE Yang C. YuanMIXED Tianlin Wang, Oliver Schabenberger, Russell D. WolfingerMODECLUS Warren F. Kuhfeld, Ann Kuo, Warren S. SarleMULTTEST Robert E. Derr, Russell D. WolfingerNESTED Randall D. Tobias, Leigh A. IhnenNLIN Biruk Gebremariam, Don Erdman, James H. Goodnight,

Leigh A. Ihnen, Oliver Schabenberger,NLMIXED Randall D. Tobias, Oliver Schabenberger,

Russell D. WolfingerNPAR1WAY Donna Lucas Watts, Jane Evans, John P. SallORTHOREG Randall D. Tobias, John P. SallPHREG Ying SoPLAN Pushpal K Mukhopadhyay, Leigh A. Ihnen, Randall D. TobiasPLM Weijie Cai, Robert E. Derr, Oliver SchabenbergerPLS Randall D. TobiasPOWER John Castelloe, Mike CybrynskiPower and Sample SizeApplication

Wayne Watson

PRINCOMP Warren F. Kuhfeld, Ann Kuo, Warren S. SarlePRINQUAL Warren F. KuhfeldPROBIT Gordon JohnstonPSS Wayne WatsonQUANTREG Guixian LinREG Robert Cohen, Leigh A. Ihnen, John P. SallROBUSTREG Yonggang YaoRSREG Robert E. Derr, John P. Sall, Randall D. TobiasSCORE Ann Kuo, Donna Lucas Watts

Testing F v

SEQDESIGN Yang C. YuanSEQTEST Yang C. YuanSIM2D Alexander Kolovos, Bart KillamSIMNORMAL Bart KillamSTDIZE Amy Shi, Warren F. Kuhfeld, Ann KuoSTEPDISC Warren F. Kuhfeld, Warren S. Sarle, Yang C. YuanSURVEYFREQ Donna Lucas WattsSURVEYLOGISTIC Anthony Baiching An, Pushpal K MukhopadhyaySURVEYMEANS Anthony Baiching AnSURVEYPHREG Pushpal K MukhopadhyaySURVEYREG Anthony Baiching An, Pushpal K MukhopadhyaySURVEYSELECT Donna Lucas WattsTPSPLINE Weijie Cai, Randall D. TobiasTRANSREG Warren F. KuhfeldTREE Bucky Ransdell, Warren S. SarleTTEST John Castelloe, James H. Goodnight,

Padraic Neville, Warren S. SarleVARCLUS Warren S. SarleVARCOMP Tianlin Wang, James H. Goodnight, Oliver Schabenberger,

Randall D. Tobias, Russell D. WolfingerVARIOGRAM Alexander Kolovos, Bart KillamProbability Routines Georges GuirguisNumerical andGraphical Routines

Anthony Baiching An, Fang Chen, Robert Cohen,Mike Cybrynski, Robert E. Derr, Jane Evans,Georges Guirguis, Warren F. Kuhfeld, Warren S. Sarle,Oliver Schabenberger, Randall D. Tobias,Donna Lucas Watts, Yang C. Yuan, Leigh A. Ihnen,Richard D. Langston, Katherine Ng, John P. Sall,Tianlin Wang

The following people contribute to SAS/STAT software with their leadership and support: Robert Cohen,Robert E. Derr, Warren F. Kuhfeld, Robert N. Rodriguez, Maura E. Stokes, and Randall D. Tobias.

Testing

Shu An, Jack J. Berry, Ming-Chun Chang, Bruce Elsheimer, Betsy Enstrom, Gregory D. Goodwin, GerardoI. Hurtado, Cheryl LeSaint, Yu Liang, Fouad G. Younan, Wei Zhang

Technical Support

Rob Agnelli, Phil Gibbs, Duane Hayes, Elizabeth S. Edwards, Kathleen Kiernan, Paul T. Savarese, DavidSchlotzhauer, Jill Tao

vi F Chapter 1: Acknowledgments

Acknowledgments

Many people make significant and continuing contributions to the development of SAS software products.The following are some of the people who have contributed significant amounts of their time to help usmake improvements to SAS/STAT software. This includes research and consulting, testing, and reviewingdocumentation. We are grateful for the involvement of these members of the statistical community and themany others who are not mentioned here for their feedback, suggestions, and consulting.

Alan Agresti, University of Florida; Paul Allison, University of Pennsylvania; Douglas Bates, University ofWisconsin; John Barnard Jr., Cleveland Clinic Foundation; David Binder, David Binder Research; SuzetteBlanchard, Frontier Science Technology Research Foundation; Mary Butler Moore, formerly of Universityof Florida at Gainesville; Wilbert P. Byrd, Clemson University; Vincent Carey, Harvard University; SallyCarson, RAND; Love Casanova, CSC-FSG; Helene Cavior, Abacus Concepts; Rao Chaganty, Old Domin-ion University; George Chao, DuPont Merek Pharmaceutical Company; Colin Chen, Fannie Mae; DanielM. Chilko, West Virginia University; Marc Cohen, Fair Isaac Corporation; Jan de Leeuw, University ofCalifornia, Los Angeles; Dave DeLong, Duke University; Alex Dmitrienko, Eli Lilly; Sandra Donaghy,North Carolina State University; David B. Duncan, Johns Hopkins University; Paul Eilers, Leiden Univer-sity; Scott Emerson, University of Washington; Michael Farrell, Oak Ridge National Laboratory; StewartFossceco, SLF Consulting; Michael Friendly, York University; Rudolf J. Freund, Texas A&M University;Wayne Fuller, Iowa State University; Andrzej Galecki, University of Michigan; A. Ronald Gallant, DukeUniversity; Joseph Gardiner, Michigan State University; Charles Gates, Texas A&M University; ThomasM. Gerig, North Carolina State University; Francis Giesbrecht, North Carolina State University; Harvey J.Gold, North Carolina State University; Kenneth Goldberg, Centocor Inc; Donald Guthrie, University of Cal-ifornia, Los Angeles; Gerald Hajian, Schering Plough Research Institute; Bob Hamer, University of NorthCarolina at Chapel Hill; Frank E. Harrell Jr., Vanderbilt University; Wolfgang M. Hartmann; Walter Har-vey, Ohio State University; Douglas Hawkins, University of Minnesota; Xuming He, University of Illinoisat Urbana-Champaign; Ronald W. Helms, Rho, Inc.; Joseph Hilbe, Arizona State University; Gerry Hobbs,West Virginia University; Ronald R. Hocking, Texas A & M University; Nick Horton, Smith College; Ju-lian Horwich, Camp Conference Company; Jason C. Hsu, Ohio State University; David Hurst, University ofAlabama at Birmingham; Joseph G. Ibrahim, University of North Carolina at Chapel Hill; Emilio A. Icaza,Louisiana State University; Joerg Kaufman, Bayer Schering Pharma AG; William Kennedy, Iowa State Uni-versity; Gary Koch, University of North Carolina at Chapel Hill; Roger Koenker, University of Illinois atUrbana-Champaign; Kenneth L. Koonce, Louisiana State University; Rich La Valley, Strategic TechnologySolutions; Russell V. Lenth, University of Iowa; Charles Lin, U.S. Census Bureau; Danyu Lin, University ofNorth Carolina; Ardell C. Linnerud, North Carolina State University; Ramon C. Littel, University of Florida;George MacKenzie, University of Oregon; Brian Marx, Louisiana State University; J. Jack McArdle, Uni-versity of Southern California; Roderick P. McDonald, Macquarie University; Alfio Marazzi, University ofLausanne; J. Philip Miller, Washington University Medical School; George Milliken, Kansas State Univer-sity; Robert J. Monroe, North Carolina State University; Robert D. Morrison, Oklahoma State University;Keith Muller, University of Florida; Anupama Narayanan, Procter & Gamble Co; Meltem Narter; Ralph G.O’Brien, Cleveland Clinic Foundation; Kenneth Offord, Mayo Clinic; Christopher R. Olinger, d-Wise Tech-nologies; Christopher J. Paciorek, Harvard University; Robert Parks, Washington University; Richard M.Patterson, Auburn University; Virginia Patterson, University of Tennessee; Cliff Pereira, Oregon State Uni-versity; Hans-Peter Piepho, Universität Hohenheim; Edward Pollak, Iowa State University; John Preisser,University of North Carolina at Chapel Hill; C. H. Proctor, North Carolina State University; Bahjat Qaqish,University of North Carolina at Chapel Hill; Dana Quade, University of North Carolina at Chapel Hill;

Acknowledgments F vii

Bill Raynor, Kimberly Clark; Georgia Roberts, Statistics Canada; James Roger, GlaxoSmithKline; PeterRousseeuw, University of Antwerp; Donald Rubin, Harvard University; Joseph L. Schafer, PennsylvaniaState University; Robert Schechter, AstraZeneca; Shayle Searle, Cornell University; Pat Hermes Smith,formerly of Ciba-Geigy; Roger Smith, formerly of USDA; Phil Spector, University of California, Berkeley;Michael Speed, Texas A&M University at College Station; William Stanish, Statistical Insight; RodneyStrand, Orion Enterprises, LLC; Walter Stroup, University of Nebraska; Robert Teichman, ICI AmericasInc.; Terry M. Therneau, Mayo Clinic; Edward Vonesh, Northwestern University; Grace Wahba, Universityof Wisconsin at Madison; Glenn Ware, University of Georgia; Peter H. Westfall, Texas Tech University;Edward W. Whitehorne, CI Partners, LLC; William Wigton, USDA; William Wilson, University of NorthFlorida; Philip Whittall, Unilever (retired); Dong Xiang; Victor Yohai, University of Buenos Aires; ForrestW. Young (deceased), formerly of University of North Carolina at Chapel Hill; Ruben Zamar, University ofBritish Columbia; Scott Zeger, Johns Hopkins University

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