dear r experts:
It seems my message got spam filtered, another try:
i would appreciate advice on how to get the p-value from the object 'sr'
created with the function survreg() as given below.
vlad
sr<-survreg(s~groups, dist="gaussian")
Coefficients:
(Intercept) groups
-0.02138485 0.03868351
Scale= 0.01789372
Loglik(model)= 31.1 Loglik(intercept only)= 25.4
Chisq= 11.39 on 1 degrees of freedom, p= 0.00074
n= 16
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str(survreg(s~groups, dist="gaussian")) is probably a good place to start. Hadley On 7/11/07, Vlado Sremac <vladosr at gmail.com> wrote:> dear r experts: > It seems my message got spam filtered, another try: > i would appreciate advice on how to get the p-value from the object 'sr' > created with the function survreg() as given below. > vlad > > sr<-survreg(s~groups, dist="gaussian") > Coefficients: > (Intercept) groups > -0.02138485 0.03868351 > > Scale= 0.01789372 > > Loglik(model)= 31.1 Loglik(intercept only)= 25.4 > Chisq= 11.39 on 1 degrees of freedom, p= 0.00074 > n= 16 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch 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. >
Try also: pchisq(summary(sr)$chi, degrees_freedom, lower=FALSE) *You need know your degrees of freedom -- Henrique Dallazuanna Curitiba-Paran?-Brasil 25? 25' 40" S 49? 16' 22" O On 11/07/07, Vlado Sremac <vladosr at gmail.com> wrote:> dear r experts: > It seems my message got spam filtered, another try: > i would appreciate advice on how to get the p-value from the object 'sr' > created with the function survreg() as given below. > vlad > > sr<-survreg(s~groups, dist="gaussian") > Coefficients: > (Intercept) groups > -0.02138485 0.03868351 > > Scale= 0.01789372 > > Loglik(model)= 31.1 Loglik(intercept only)= 25.4 > Chisq= 11.39 on 1 degrees of freedom, p= 0.00074 > n= 16 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch 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. >