Questions tagged [survival]
Survival analysis models time to event data, typically time to death or failure time. Censored data are a common problem for survival analyses.
5 questions from the last 7 days
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How to plot hazard ratio from coxph model with tt() term [closed]
This question is related to another that I posted here:
How to visually assess tt() suitability in coxph
If we have a time-varying HR that arises from a time-dependent coefficient because we have ...
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How to visually assess tt() suitability in coxph? [closed]
For this example, I am taking cues from the time-dependent survival vignette.
I am interested in understanding how to assess the suitability of a covariate-time interaction using ...
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Not computed tests in gofstat in R
I am working on a survival analysis project. For this project, I use this dataset:
https://archive.ics.uci.edu/dataset/519/heart+failure+clinical+records
I began by importing these libraries :
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Can I use age as a time varying covariate in a Cox PH?
I am studying how long a rebel group leader remains in charge of a rebel group until they are forced to step down. I have leader-year data with the following variables:
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"Impossible" crossing of Kaplan-Meier curves
Here is a picture from a small set of lung cancer patients. The blue curve represent overall survival: time from radiotherapy to death of any cause. The red line represents disease free survival: time ...
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