survreg.old {survival}  R Documentation 
This routine is a backwardscompatible interface to the improved survreg function, which is better.
survreg.old(formula, data=sys.frame(sys.parent()), ..., link=c("log", "identity"),dist=c("extreme", "logistic", "gaussian", "exponential","rayleigh","weibull"), fixed=list())
formula 
a formula expression as for other regression models.
See the documentation for lm and formula for details.

data 
optional data frame in which to interpret the variables occuring in the formula. 
... 
other arguments to survreg 
link 
transformation to be used on the y variable. 
dist 
assumed distribution for the transformed y variable. 
fixed 
a list of fixed parameters, most often just the scale. 
an object of class survreg
is returned, which inherits from class glm
.
survreg.old(Surv(futime, fustat) ~ ecog.ps + rx, ovarian, dist='extreme', link='log', fixed=list(scale=1)) #Fit an exponential