Description Usage Arguments Details Value Author(s) References Examples
View source: R/coxph.disparity.R
The coxph.disparity() function returns the disparity from the piecewise exponential model, including all the terms in the likelihood, and is directly comparable to the disparity for the fit of other models used in this chapter.
1 | coxph.disparity(fit)
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fit |
name of an object of class “coxph” |
This form of the likelihood, allows the Cox proportional hazards model to be compared directly to fully parametric models. (Note that log-likelihood value stored in coxph.object is not comparable as it is based on the proportional hazards function and does not include the baseline hazard, this cancels out in the conditional probabilities that form the partial likelihood.)
a num vector
Aitkin, M., Francis, B., Hinde, J. and Darnell, R. (2009). Statistical modelling in R, OUP.
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