Function to transform the point estimates and confidence intervals; e.g., exp.
f.prime
Derivative of f in order to compute the standard
error of the transformed point estimates based on the delta method.
...
Nothing.
Details
Transform the point estimates, confidence intervals, and standard
errors based on the delta method. This builds on the S3 generic
function transform from the base package.
It can be used to get the hazard ratio scale in inference objects
created from coxph objects and the odds ratio scale from
logistic regression created from glm
(both using f=exp, f.prime=exp).