how to add predictors to r dataset how to add cox predictors on r when adding all predicted variables in r i do i need to add the predictors? what model is used for surv fit which function is used to create a predictive model in r? r do i have to add all predictors what are cox proportional hazards kaplan meier and cox proportional hazard how to add all cox predictors how do i make a kaplan meier model how to add predictors in kaplan memeier how to add predictor in r how to add all predictive variables in r add all predictors to dataset in r what is the r function cph add all predictors on kaplan meier and cox model in r how do i add a predictor in r how to add a predictive variable in r is cph a cox model can you add multiple predictors at once in r