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epinowcast / primarycensored

Primary event censored distributions in R and Stan.
https://primarycensored.epinowcast.org/
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Analytic form for Weibull incorrect for t < 0 #125

Closed SamuelBrand1 closed 5 days ago

SamuelBrand1 commented 5 days ago

The analytical solution to the "partial expectation" term for the Weibull eq 3.7 here implicitly treats the Weibull density as being analytically extended onto the negative reals... in fact its zero there. This means that eq 3.7 is wrong for negative values of t.

SamuelBrand1 commented 5 days ago

This is (likely) linked to #109 problems and maybe evidence for rewriting as per #112 discussion.