why are outliers important what model can find an outlier which statement best describes a proportional hazards model? how can one easily found an outlier in proportional hazards model and why are they so important? why are proportional hazards models important how can one easily found an outlier in proportional hazards model and why are they so important? what is the function of a proportional hazards model called? how are outliers in proportional hazards why does proportional hazards model need an outlier why are outliers useful in ph model what model is proportional hazards is a ph model a function? what is a proportional hazards model called why are outliers important how can one easily found an outlier in proportional hazards model and why are they so important? what is the function of proportional hazards why are outliers so important how to find outliers of the proportional hazards model what is the function of an outlier? ph why are outliers important in ph models