On Aug 26, 2014, at 4:17 AM, Silong Liao wrote: > Dear R users, > I'm trying to plot survival probability against time(in years) using > "survreg" and "intcox". Please can you help me with this problem?
That line at the bottom of the message delivered to the list subscribers saying that the HTL version was deleted explains why this is such a mess. Please read the Posting Guide and post in plain text: -- David. > My code shows > below:>mod.reg1=survreg(s_new~type+sex+eye+preopiop+preopva,dist="weibull")>summary(mod.reg1) > Call:survreg(formula = s_new ~ type + sex + eye + preopiop + preopva, > dist = "weibull") Value Std. Error z p(Intercept) > 40.539 20.582 1.970 4.89e-02typeTrab -6.606 4.279 -1.544 > 1.23e-01sexM -1.055 3.765 -0.280 7.79e-01eyeR -2.112 > 3.587 -0.589 5.56e-01preopiop -0.308 0.269 -1.147 2.52e-01preopva > -0.461 1.771 -0.260 7.95e-01Log(scale) 2.058 0.285 7.222 5.12e-13 > Scale= 7.83 > Weibull distributionLoglik(model)= -78.7 Loglik(intercept only)= -81.4 > Chisq= 5.37 on 5 degrees of freedom, p= 0.37 Number of Newton-Raphson > Iterations: 10 n= 339 > ------------------------------------------------------------------------------------------------------------->cox.fit=intcox(s_new~type+eye+sex+age+preopiop+preopva,data=glaucoma_new)>summary(cox.fit)Call:intcox(formula > = s_new ~ type + eye + sex + age + preopiop + preopva, data = > glaucoma_new) > n= 339 > coef exp(coef) se(coef) z Pr(>|z|)typeTrab 0.59391 1.81106 > NA NA NAeyeR 0.28419 1.32868 NA NA NAsexM > -0.11597 0.89050 NA NA NAage -0.06556 0.93655 NA > NA NApreopiop 0.03903 1.03980 NA NA NApreopva -0.05517 > 0.94632 NA NA NA > exp(coef) exp(-coef) lower .95 upper .95typeTrab 1.8111 0.5522 > NA NAeyeR 1.3287 0.7526 NA NAsexM > 0.8905 1.1230 NA NAage 0.9365 1.0678 > NA NApreopiop 1.0398 0.9617 NA NApreopva > 0.9463 1.0567 NA NA > Rsquare= NA (max possible= 0.327 )Likelihood ratio test= NA on 6 df, > p=NAWald test = NA on 6 df, p=NAScore (logrank) test = NA on 6 > df, p=NA > > > Kind regards,Sid > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
