logLik.survstan | R Documentation |
Extracts the log-likelihood function for a fitted parametric model.
## S3 method for class 'survstan'
logLik(object, ...)
object |
a fitted model of the class survstan |
... |
further arguments passed to or from other methods. |
the log-likelihood value when a single model is passed to the function; otherwise, a data.frame with the log-likelihood values and the number of parameters is returned.
library(survstan)
fit1 <- aftreg(Surv(futime, fustat) ~ 1, data = ovarian, baseline = "weibull", init = 0)
fit2 <- aftreg(Surv(futime, fustat) ~ rx, data = ovarian, baseline = "weibull", init = 0)
fit3 <- aftreg(Surv(futime, fustat) ~ ecog.ps + rx, data = ovarian, baseline = "weibull", init = 0)
logLik(fit1, fit2, fit3)
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