All Questions
6 questions
1
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156
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Capture time variation in survival analysis
I am currently working with intraday time-to-event data, where the time to event typically spans just a few minutes. I want to compare the survival curves of two subpopulations in my sample.
The ...
- 363
2
votes
1
answer
545
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DIfference between hazard ratio and partial hazard in survival analysis
The hazard function in survival analysis is represented as (https://in.mathworks.com/help/stats/cox-proportional-hazard-regression.html):
Here the exponential term is termed as hazard ratio as ...
- 151
1
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1
answer
63
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0
votes
1
answer
235
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Obtain the survival function plot by building an overall survival regression model
I need to build an overall survival regression model that can show the survival plots for id's with multiple rows.
I have used the Weibull function to define the baseline hazard function h0(t) and Cox ...
- 151
2
votes
1
answer
125
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Extended Weibull-Cox model survival function
I'm reading an article where the authors use an extended Cox-Weibull hazard model with time-varying covariates to model survival time of an individual. This individual is allowed to start at week $m$, ...
- 439
4
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2
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14k
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How to model survival analysis when proportional hazards assumption is not met and stratification and time-varying are not possible?
I am modelling a survival analysis over a rather long follow-up period (10 years). My exposure is time-invariant and clearly violates the proportional hazards assumptions so Cox Proportional Hazards ...
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