Checking the Proportional Hazards Assumption in Cox Regression in Stata

Learn how to test the Proportional Hazards (PH) assumption in Cox regression using Stata. Cox regression is a non-parametric model used to analyse survival time data. This step-by-step tutorial covers both graphical checks (log-log survival plots, Schoenfeld residuals plots) and statistical tests. #Stata #SurvivalAnalysis #CoxRegression #Epidemiology #Biostatistics #DataAnalysis #StataTutorial