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2008 Sep 10
2
relsurv package
...e format like:"6/17/1997 " "9/10/1990 " "12/4/1996 " how to convert it in the Rdate format required by ratetable? Thank you very much for help, Giulia ----- Original Message ---- From: "r-help-owner@r-project.org" <r-help-owner@r-project.org> To: g.barbati@yahoo.com Sent: Wednesday, September 10, 2008 9:39:47 AM Subject: relsurv package Message rejected by filter rule match [[alternative HTML version deleted]]
2007 Oct 31
1
datadist options error, DESIGN library
Hello, using the Design library, and the following command (from the Harrell's book, example at Ch.20): dd <- datadist(rx, age, wt, pf, pf.coded, heart, map, hg, sz, sg, ap, bm) options(datadist=='dd') I get the following error: Error in datadist == "dd" : comparison (1) possible only for atomic data or list What does it means? thank you, giulia
2007 Dec 18
1
hazard ratio of interaction Cox model
Dear Forum, I have a question about interaction estimate in the Cox model: why the hazard ratio of the interaction is not produced in the summary of the model? (Instead, the estimate of the coefficient is given in the print of the model.) # Example: modINT <-cph( Surv(T_BASE, T_FIN,STATUS)~ NYHA + ASINI + RFP + FE_REC + XX_PR*XX_DISF) print(modINT) coef se(coef) z