what is the cox model used for? cox proportional hazards model interpretation Cox proportional hazards model teq cox proportional hazards model how to interpret cox proportional hazards model what is the function of cox in proportional hazards regression cox proportional hazards model interpretation what is the function for cph in r how to interpret a cox proportional hazards regression what is the q of cox in proportional hazards cox proportional hazards regression definition what is the fit of r for the proportional hazards model how to interpret cox proportional hazards model what is the function for a cox model what is the function of the cox proportional hazards cph function definition what is the purpose of a cox proportional hazards regression model? cox proportional hazards model what is the coefficient of error for a cox proportional hazards model used by an independent researcher? when to use cox proportional hazards regression r