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Hello, I'm a biostatistician in Toronto. I would like to know if there is anything in survival analysis developed in R for the method "Evaluating the Yield of Medical Test" (JAMA. May 14,1982--Vol 247, No.18 Frank E. Harrell, Jr,PhD; Robert M. Califf, MD; David B. Pryor, MD;Kerry L.Lee, PhD; Robert A. Rosait,MD.) Hope to hear from you and thanks Lisa Wang, MSc Project Organiser & Researcher Cancer Informatics, Ontario Cancer Institute/Princess Margaret Hospital, University Health Network; Email: lisawang at uhnres.utoronto.ca Phone: 416 9...

Dear All, I would like to find something ( references, code,..) to implement a comparison of three treatments in an observational study using the 'Propensity Score'. Any help is much appreciated. Thanks! Giovanni -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit University of Brescia Viale Europa, 11 25123 Brescia email: parrinel at med.unibs.it Phone:

Dear all, I am comparing logistic regression models to evaluate if one predictor explains additional variance that is not yet explained by another predictor. As far as I understand Baron and Li describe how to do this, but my question is now: how do I report this in an article? Can anyone recommend a particular article that shows a concrete example of how the results from te following simple

I'm using Ubuntu server 8.10 amd64 with the 3.2.3 samba they provide. I'm using winbind for authentication. Samba is the ONLY service this box is providing for a small office (maybe 15-18 users max). I am using Backup Exec 12.5 ralus but always at night, no active users. My hardware is very overkill for my application (file server for small office, 8gb ram, Intel quad core cpu, raid 10