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Results tagged with proportional-hazards
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user 317966
Proportional hazards is an assumption of the Cox proportional hazards model of survival analysis and some other models as well. The assumption is that a linear increase in the predictor will have a uniform multiplicative relationship with the hazard.
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Is doing Kaplan-Meier for 2 curves equivalent to ajdusting for a covarite or stratyfing in C...
Using the R terminology (but this is software independent statistical problem), is survfit(surv_object ~ rx, data = ovarian) returning 2 Kaplan-Meier curves the same as doing Cox with the same formula …
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Why do my survival curves generated by the Cox differ from Kaplan-Meier for the simplest model?
I was told, that the Cox with a single categorical covariate is equal to the Kaplan-Meier stratified by the levels of this covariate. But the two graphs below don't support it. I also use strata() in …
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Would you used prediction from Cox or stratified KM for drawing survival curves and testing ...
Let's assume I have an experiment, where I track some event. I want to analyse the time to this event between two levels of a group G: g1 and g2
I want to do the comparative analysis in sub groups, fo …
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