coxph2cph               Convert results of cox regression from coxph()
                        to cph()
cph2coxph               Convert results of cox regression from cph() to
                        coxph()
lm2ols                  Convert results of lm() to ols()
logit2lrm               Convert results of logistic regression from
                        glm() to lrm()
lrm2logit               Convert results of logistic regression from
                        lrm() to glm()
ols2lm                  Convert results of ols() to lm()
