how does the cox model deal with time-dependent variables? how does the cox proportional hazards model deal with time-dependent variables what is the cox model for survival how does the cox model deal what is a cox model cox proportional hazards analysis how does a cox proportional hazards model deal with time dependent data? how does the cox model deal with time dependent data when does cox deal with time dependent variables in survival analysis? how does the cox model deal with time dependent what is the cox pattern for season how does the cox model deal with time-dependent variable how do cox proportional hazards work what is cox proportional hazards what is the cox model used for how does the ck proportional hazards model deal with time-dependent variables in survival analysis? when using a cox proportional hazards model, you have multiple start stop times for an individual subject with measures for the covariates. how does the cox proportional hazards modeling deal with time-dependent data? how does the cox model deal with time-dependent variables in survival analysis cox proportional hazards model r example