Survival Analysis, Machine Learning, Time To Event Analysis, Stata, Data Science.
observe that there is no missing value in the variables. Only inst variable has 1 missing value, and we can keep it like that as we are not going to use this variable in our model. drop if ph_ecog == . drop if ph_ecog == 3 for var ph_karno pat_karno meal_cal wt_loss: summ X \\ replace X = r(mean)