search for: independnt

Dear All, I hope to run some simple survival analysis using the cox-proportional hazard models in R, my command will look like below: cox <- summary( coxph( Surv( mortality , TIME ) ~ Independent variables ) ) My query is about specifying a range of independnt variables in R, such that each independent variable is included as the main defining variable independently of other variables in the variable list. I have around 10,000 independent variables or groups by which I hope to study differences in mortality rates over a period of time. All the 10,000 v...