Reconstruct the model matrix for a survstan model.
Usage
# S3 method for survstan
model.matrix(object, ...)Arguments
- object
an object of the class survstan.
- ...
further arguments passed to or from other methods.
Examples
# \donttest{
library(survstan)
fit <- aftreg(Surv(futime, fustat) ~ ecog.ps + rx, data = ovarian, baseline = "weibull", init = 0)
model.matrix(fit)
#> ecog.ps rx
#> 1 1 1
#> 2 1 1
#> 3 2 1
#> 4 1 2
#> 5 1 1
#> 6 2 1
#> 7 2 2
#> 8 2 2
#> 9 1 1
#> 10 2 2
#> 11 2 1
#> 12 1 2
#> 13 2 2
#> 14 1 2
#> 15 1 1
#> 16 2 1
#> 17 2 1
#> 18 1 1
#> 19 1 2
#> 20 1 2
#> 21 2 2
#> 22 2 1
#> 23 1 1
#> 24 2 2
#> 25 1 2
#> 26 1 2
#> attr(,"assign")
#> [1] 1 2
# }