what variable has failed the proportionality test? do you have to build a pre-existing survival analysis why is my survival analysis model failing what is survival analysis which variable failed to pass the proportionality test in survival analysis? can a survival analysis be used with retail data which analysis has all the variables fail what is survival analysis is a cox model the same as a proportional model? is survival analysis proportional? do i have to test proportionality in survival why do survival analyses fail what variables fail in an analysis of survival what does survival analysis fail does a survival analysis test fail the proportionality test? do cox survival analysis variables fail proportionality test what is the proportionality test on survival analysis what is conditional survival analysis for consumer which of the survival analysis variables fails the proportionality test? what does survival analysis include