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Search options not deleted user 205704

Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.

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Comparing patients risk of deaths and validation of a survival model

First question Assume I have two patients, each with a fitted survival curve $S_1$ and $S_2$ (cox proportional hazard model) in R. One has been exposed for three years, the other for two years. …