anova method for survstan models

Compute analysis of variance (or deviance) tables for one or more fitted model objects.

Usage

# S3 method for survstan
anova(...)

Arguments

...

further arguments passed to or from other methods.

Value

the ANOVA table.

Examples

# \donttest{
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)
anova(fit1, fit2, fit3)
#> 
#> weibull(aft) 1: Surv(futime, fustat) ~ 1 
#> weibull(aft) 2: Surv(futime, fustat) ~ rx 
#> weibull(aft) 3: Surv(futime, fustat) ~ ecog.ps + rx 
#> --- 
#>                     loglik         LR df Pr(>Chi)
#> weibull(aft) 1:  -12.60597 -168.95704  2   1.0000
#> weibull(aft) 2:  -97.36415    0.55931  1   0.4545
#> weibull(aft) 3:  -97.08449          -  -        -
# }