How to modify the baseline hazard in Weibull regression according in r?

Asked May 03 '20 at 12:03

Active May 03 '20 at 12:03

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How can I specify baseline hazard function in r for Weibull regression* according to my preference, i.e in my research problem my time scale is age and the follow-up starts from age 30 and ends at the age when we have an outcome event or right censoring? How can I incorporate this information in the baseline of the Weibull regression?

Let me know if there is any need for clarification

asked May 03 '20 at 12:03

Aria

Have a look at the package **flexsurv**. – Francesco Grossetti May 03 '20 at 14:13
Could you also help me with this -: https://stackoverflow.com/questions/61579684/simulation-of-an-time-to-event-covariate – Aria May 03 '20 at 18:34
Woudn't you just calculate a time variable (for entry into the `Surv` call) to be `age at death` or `age at censoring`minus 30? – IRTFM May 05 '20 at 20:59

How to modify the baseline hazard in Weibull regression according in r?

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