which method is used for survival analysis hazard function survival analysis why do we use the survival function? why do we model hazard instead of survival how to fit survival functions why would you fit survival functions why use the hazard function how to model survival function why do you use the survival function in survival analysis what is survival function cox why use the hazard model instead of the survival model? what model is survival survival how to fit hazard function why do we use hazard function in survival models how does the survival function work for survival does cox hazard model use maximum likelihood which model use a hazard function why is the survival function used which statement describes the function of hazard? what is the probability of survival using cox