Acknowledgments

Credits

Documentation

Editing	Virginia Clark
Documentation Support	Tim Arnold
Technical Review	Rob Agnelli, Craig DeVault, Elizabeth S. Edwards, Phil Gibbs, Duane Hayes, Kathleen Kiernan, Eddie Routten, Annette Sanders, Paul T. Savarese, David Schlotzhauer, Mike Stockstill

Software

The procedures in SAS/STAT software were implemented by members of the Analytical Solutions Division. Program development includes design, programming, debugging, support, documentation, and technical review. In the following list, the names of the developers currently supporting the procedure are listed first. Other developers previously worked on the procedure.

ACECLUS	Ann Kuo, Warren S. Sarle, Donna Lucas Watts
ANOVA	Randall D. Tobias, Yang C. Yuan
BOXPLOT	Bucky Ransdell, Robert N. Rodriguez
CALIS	Yiu-Fai Yung, Wolfgang M. Hartmann
CANCORR	Ann Kuo, Warren S. Sarle, Donna Lucas Watts
CANDISC	Warren F. Kuhfeld, Warren S. Sarle, Yang C. Yuan
CATMOD	Robert E. Derr, John P. Sall, Donna Lucas Watts
CLUSTER	Bart Killam, Warren S. Sarle
CORRESP	Warren F. Kuhfeld
DISCRIM	Warren F. Kuhfeld, Warren S. Sarle, Yang C. Yuan
DISTANCE	Ann Kuo
FACTOR	Yiu-Fai Yung, Wolfgang M. Hartmann, John P. Sall, Warren S.Sarle
FASTCLUS	Bart Killam, Warren S. Sarle, Donna Lucas Watts
FREQ	Donna Lucas Watts, John P. Sall
GENMOD	Gordon Johnston
GAM	Randall D. Tobias, Robert Cohen, Dong Xiang
GLM	Randall D. Tobias, James H. Goodnight, John P. Sall, Warren S. Sarle, Yang C. Yuan
GLMMOD	Randall D. Tobias
GLMPOWER	John Castelloe
INBREED	Wendy Czika, Anthony Baiching An, Meltem Narter
KDE	Bucky Ransdell, Russell D. Wolfinger
KRIGE2D	Bart Killam
LATTICE	Oliver Schabenberger, Russell D. Wolfinger
LIFEREG	Colin Chen, Gordon Johnston
LIFETEST	Ying So
LOESS	Robert Cohen
LOGISTIC	Robert E. Derr, Ying So
MDS	Warren S. Sarle
MI	Yang C. Yuan
MIANALYZE	Yang C. Yuan
MIXED	Oliver Schabenberger, Russell D. Wolfinger
MODECLUS	Ann Kuo, Warren S. Sarle
MULTTEST	Robert E. Derr, Russell D. Wolfinger
NESTED	Randall D. Tobias, Leigh A. Ihnen
NLIN	Don Erdman, James H. Goodnight, Leigh A. Ihnen
NLMIXED	Oliver Schabenberger, Russell D. Wolfinger
NPAR1WAY	Donna Lucas Watts, Jane Pierce, John P. Sall
ORTHOREG	Randall D. Tobias, Wolfgang M. Hartmann, John P. Sall
PHREG	Ying So
PLAN	Randall D. Tobias, Leigh A. Ihnen
PLS	Randall D. Tobias
POWER	John Castelloe
PRINCOMP	Ann Kuo, Warren S. Sarle
PRINQUAL	Warren F. Kuhfeld
PROBIT	Colin Chen, Gordon Johnston
REG	Robert Cohen, Leigh A. Ihnen, John P. Sall
ROBUSTREG	Colin Chen
RSREG	Randall D. Tobias, John P. Sall
SCORE	Ann Kuo, Donna Lucas Watts
SIM2D	Bart Killam
STDIZE	Ann Kuo
STEPDISC	Warren F. Kuhfeld, Warren S. Sarle, Yang C. Yuan
SURVEYFREQ	Donna Lucas Watts
SURVEYLOGISTIC	Anthony Baiching An
SURVEYMEANS	Anthony Baiching An
SURVEYSELECT	Donna Lucas Watts
SURVEYREG	Anthony Baiching An
TPSPLINE	Randall D. Tobias, Dong Xiang
TRANSREG	Warren F. Kuhfeld
TREE	Bucky Ransdell, Warren S. Sarle
TTEST	John Castelloe, James H. Goodnight, Padraic Neville, Warren S. Sarle,
VARCLUS	Warren S. Sarle, Wolfgang M. Hartmann
VARCOMP	Oliver Schabenberger, James H. Goodnight, Randall D. Tobias, Russell D. Wolfinger
VARIOGRAM	Bart Killam
Probability Routines	Georges Guirguis
Numerical and Graphical Routines	Robert Cohen, Mike Cybrynski, Georges Guirguis, Warren F. Kuhfeld, Warren S. Sarle, Randall D. Tobias, Donna Lucas Watts, Yang C. Yuan, Marc Cohen, Wolfgang M. Hartmann, Leigh A. Ihnen, Richard D. Langston, Katherine Ng, Jane Pierce, John P. Sall, Brian T. Schellenberger

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

Testing

Shu An, Sumita Biswas, Jack J. Berry, Ming-Chun Chang, Bruce Elsheimer, Kelly M. Graham, Gregory D. Goodwin, Gerardo I. Hurtado, Ming Liao, Mark Traccarella, Greg Weier, Li Yang, Fouad G. Younan

Technical Support

Members

Rob Agnelli, Craig DeVault, Phil Gibbs, Duane Hayes, Elizabeth S. Edwards, Kathleen Kiernan, Eddie Routten, Annette Sanders, Paul T. Savarese, David Schlotzhauer, Mike Stockstill

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

Alan Agresti, University of Florida; Douglas Bates, University of Wisconsin; David Binder, Statistics Canada; Suzette Blanchard, Frontier Science Technology Research Foundation; Mary Butler Moore, formerly of University of Florida at Gainesville; Wilbert P. Byrd, Clemson University; Vincent Carey, Harvard University; Sally Carson, RAND; Love Casanova, CSC-FSG; Helene Cavior, Abacus Concepts; George Chao, DuPont Merek Pharmaceutical Company; Daniel M. Chilko, West Virginia University; Jan de Leeuw, University of California, Los Angeles; Dave DeLong, Duke University; Sandra Donaghy, North Carolina State University; David B. Duncan, Johns Hopkins University; Michael Farrell, Oak Ridge National Laboratory; Stewart Fossceco, 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, University of North Carolina at Chapel Hill; Joseph Gardiner, Michigan State University; Charles Gates, Texas A & M University; Thomas M. Gerig, North Carolina State University; Francis Giesbrecht, North Carolina State University; Harvey J. Gold, North Carolina State University; Kenneth Goldberg, Wyeth-Ayerst Research; Donald Guthrie, University of California, Los Angeles; Gerald Hajian, Schering Plough Research Institute; Bob Hamer, UMDNJ-RWJ Medical School; Frank E. Harrell, Jr., University of Virginia; Walter Harvey, Ohio State University; Douglas Hawkins, University of Minnesota; Ronald W. Helms, University of North Carolina at Chapel Hill; Joseph Hilbe, Arizona State University; Gerry Hobbs, West Virginia University; Ronald R. Hocking, Texas A & M University; Julian Horwich; Camp Conference Company; Jason C. Hsu, Ohio State University; David Hurst, University of Alabama at Birmingham; Emilio A. Icaza, Louisiana State University; Joerg Kaufman, Schering AG; William Kennedy, Iowa State University; Gary Koch, University of North Carolina at Chapel Hill; Kenneth L. Koonce, Louisiana State University; Rich La Valley, Strategic Technology Solutions; Russell V. Lenth, University of Iowa; Charles Lin, U.S. Census Burea; Danyu Lin, University of North Carolina; Ardell C. Linnerud, North Carolina State University; Ramon C. Littel, University of Florida; George MacKenzie, University of Oregon; J. Jack McArdle, University of Virginia; Roderick P. McDonald, Macquarie University; Alfio Marazzi, University of Lausanne; J. Philip Miller, Washington University Medical School; George Milliken, Kansas State University; Robert J. Monroe, North Carolina State University; Robert D. Morrison, Oklahoma State University; Keith Muller, University of North Carolina at Chapel Hill; Anupama Narayanen, Sabre Technologies; Ralph G. O'Brien, Cleveland Clinic Foundation; Kenneth Offord, Mayo Clinic; Christopher R. Olinger, ThotWave Technologies; Robert Parks, Washington University; Richard M. Patterson, Auburn University; Virginia Patterson, University of Tennessee; Cliff Pereira, Oregon State University; Hans-Peter Piepho, Universitaet Kassel; Edward Pollak, Iowa State University; C. H. Proctor, North Carolina State University; Dana Quade, University of North Carolina at Chapel Hill; Bill Raynor, Kimberly Clark; Georgia Roberts, Statistics Canada; James Roger, Live Data Process Limited; Peter Rousseeuw, University of Antwerp; Donald Rubin, Harvard University; Joseph L. Schafer, Pennsylvania State University; Robert Schechter, AstraZeneca Pharmaceuticals; 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; Rodney Strand, Orion Enterprises, LLC; Walter Stroup, University of Nebraska; Robert Teichman, ICI Americas Inc.; Terry M. Therneau, Mayo Clinic; Edward Vonesh, Baxter Healthcare Corporation; Grace Wahba, University of 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 North Florida; Philip Wittall, Unilever; Victor Yohai, University of Buenos Aires; Forrest W. Young, University of North Carolina at Chapel Hill; Ruben Zamar, University of British Columbia; and Scott Zeger, Johns Hopkins University.

The final responsibility for the SAS System lies with SAS Institute alone. We hope that you will always let us know your opinions about the SAS System and its documentation. It is through your participation that SAS software is continuously improved.

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