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PHInfiniteEstimates (version 1.6)

bestbeta: Newton Raphson Fitter for partial likelihood

Description

This function implements the approximate conditional inferential approach of kz19;textualPHInfiniteEstimates to proportional hazards regression.

Usage

bestbeta(fit, exclude = NULL, start = NULL, touse = NA)

Arguments

fit

Output from a Cox PH regression, with x=TRUE and y=TRUE

exclude

data set with stratum and patient number to exclude.

start

Starting value

touse

columns of the design matrix to use.

Value

Fitted survival analysis regression parameter of class coxph

References

kz19PHInfiniteEstimates