I have one more conceptual question though, it would be fantastic if
someone could graciously help out:
I am using an accelerated failure time model with time-varying
covariates because I assume that my independent variables have a
different impact on the chance for a failure at different points in
lifetime. For example: High temperature has a different impact on
failure in earlier years than in later years (for whatever reason).
So far so good (hopefully).
But: From my regression I only get one coefficient for each
independent variable and I am wondering how this "one" variable
reflects the above mentioned time-dependent impact of my variable.
Shouldn't I be getting a coefficient for each year of lifetime,
which tells me exactly what impact a variable has in a given year?
I'm pretty sure I am totally mixing things up here, but I really
couldn't find any helpful information, so any help is highly
appreciated!!
Thank you very much!
Best
Philipp
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