vcov.mpr {mpr} | R Documentation |
Extracting variance-covariance matrix for MPR models.
Description
This function extracts the variance-covariance matrix for the estimated parameters from a fitted
mpr
model.
Usage
## S3 method for class 'mpr'
vcov(object, ...)
Arguments
object |
fitted |
... |
further arguments passed to or from other methods. |
Value
The variance-covariance matrix.
Author(s)
Kevin Burke.
See Also
mpr
.
Examples
# Veterans' administration lung cancer data
veteran <- survival::veteran
head(veteran)
mod1 <- mpr(Surv(time, status) ~ list(~ trt, ~ trt), data=veteran, family="Weibull")
vcov(mod1)
mod1$vcov
[Package mpr version 1.0.6 Index]