Not (yet) in R, but EPA's BMDS software (Windows only) will fit this model. See http://www.epa.gov/ncea/bmds.htm You may contact me if you have questions. R. Woodrow Setzer, Jr. Phone: (919) 541-0128 Experimental Toxicology Division Fax: (919) 541-5394 Pharmacokinetics Branch NHEERL MD-74; US EPA; RTP, NC 27711 "Calvin L. Williams, Ph.D." To: r-help at stat.math.ethz.ch <calvinw at ces.clemson cc: .edu> Subject: [R] Rai and Van Ryzin Model Sent by: owner-r-help at stat.ma th.ethz.ch 09/14/01 04:36 PM R-users, Has anyone implemented (coded) the Rai and Van Ryzin dose-response model from their 1985 Biometrics paper. I'm trying to avoid re-inventing the wheel. If not any hints on coding this would be greatly appreciated. Thanks, -- ==================== Calvin L. Williams, Ph.D. ==================== Department of Mathematical Sciences, Clemson University Box 340975 , 0-323 Martin Hall Clemson, South Carolina 29634-0975 VOICE: (864) 656-5241 or leave message (864) 654-7187 EMAIL: calvinw at ces.clemson.edu FAX: 1-(864) 656-5230 WWW: http://www.ces.clemson.edu/~calvinw/ ============================================================ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-. -.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _._._ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
Rai and Van Ryzin Model
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