seacode / gmacs

A generic size-structured stock assessment model
https://seacode.github.io/gmacs
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selectivity from BBRKC Assessment (Zheng et al 2015) #151

Closed jimianelli closed 7 years ago

jimianelli commented 9 years ago

Here are the selectivities by period image

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jimianelli commented 9 years ago

Here are values from the 2014 assessment, perhaps we're comparing 2013 assessment values...

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quantifish commented 9 years ago

pg 45 STAN manual: This Jacobian adjustment is turned off when optimization is being applied in order to produce appropriate maximum likelihood estimates.

jimianelli commented 9 years ago

interesting comment...my recollection is that Jacobians matter when variance of derived parameters are being estimated...

quantifish commented 9 years ago

Ya, I'm not sure myself. I'll do some more digging and let you know.