check.dist {eha} | R Documentation |
Comparison of the cumulative hazards functions for a semi-parametric and a parametric model.
check.dist(sp, pp, new.data = sp$means)
sp |
An object of type "cotxreg", typically output from
coxreg |
pp |
An object of type "phreg", typically output from
phreg |
new.data |
At what covariate values should the baseline hazards for the coxreg model be calculated? |
For the moment only a graphical comparison.
No return value.
Göran Broström
~put references to the literature/web site here ~
data(male.mortality) oldpar <- par(mfrow = c(2, 2)) fit.cr <- coxreg(Surv(enter, exit, event) ~ ses, data = male.mortality) fit.w <- phreg(Surv(enter, exit, event) ~ ses, data = male.mortality) fit.g <- phreg(Surv(enter, exit, event) ~ ses, data = male.mortality, dist = "gompertz") fit.ln <- phreg(Surv(enter, exit, event) ~ ses, data = male.mortality, dist = "lognormal") fit.ev <- phreg(Surv(enter, exit, event) ~ ses, data = male.mortality, dist = "ev") check.dist(fit.cr, fit.w) check.dist(fit.cr, fit.g) check.dist(fit.cr, fit.ln) check.dist(fit.cr, fit.ev) par(oldpar)