All Questions
Tagged with cox-model weibull-distribution
6 questions with no upvoted or accepted answers
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How can I compare parametric and semiparametric survival models?
On a given dataset, I am running a semiprametric Cox proportional hazards model, together with a series of parametric models (Weibul, gamma, lognormal, exponential, etc.).
How can I know which is ...
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2
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Variable effect in Weibull and Cox models
Is it possible to compare effect of variable on the survival time in the Cox model and in the Weibull regression model?
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Survival analysis without a direct coupling between subjects and events
I am studying the failure rates of some components. The data that we possess are atypical for a survival analysis, however. The population and year of installation of components are known for the last ...
- 26
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Schoenfeld residuals - theoretical question
I have a doubt about the Schoenfeld residuals that are used to check the Cox proportional hazard model.
The residuals formula is:
$$\hat{r}_{ik}=c_i(x_{ik}-\hat{\bar{x}}_{w_ik})$$
$$\hat{\bar{x}}_{...
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Which variables in the models below meet acceptable thresholds for accuracy, also, which model is more statically accurate
Which variables are most significant?
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How to simulate informative censoring in a Cox PH model?
I wish to simulate events from a Cox PH model where the censoring is informative, and to compare parameter estimator quality with estimates obtained from data generated by a Cox PH model with non-...
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