when testing residuals does schoenfield residuals include time dependent covariate do conduction models test residuals? when does residual test occur in cox model with time dependent covariates? what is residual testing is residuals time dependent what is residuals in survival analysis is it ok to test residuals in cox models? schoenfield residual test can time dependent survival regression models be tested with cox models? when do we use schoenfield residuals how to test residuals in a cox model which type of covariates are used in survival analysis? can you test residuals of a cox model when do you test cox residuals? what model is used to test residuals do schoenfield residuals need time dependent covariates what is residual in survival analysis is it possible to measure residual in a cox model with time and covariates do you test residuals in cox model