Hi guys,

I am trying to do the statistics part myself for a project which looks at ability of a model to predict survival in patients. For the last step in the analysis, I want to know in how many patients does the model under (or over) predict survival by x% or more?

Does anyone have any idea which text I should use in SPSS?

I know this is very deep question but I really got to do the analysis myself and have no help whatsoever

Thanks in advance!