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[Feature]: Cohort growth deviation added to Linf (or L2) #599

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peterkuriyama-NOAA opened this issue May 14, 2024 · 1 comment
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growth wishlist request new feature; bigger than revision; OK to remove after adding to Milestone
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@peterkuriyama-NOAA
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Describe the solution you would like.

Cohort growth deviation multiplier is only applied to von Bert k. I was hoping it could be applied to Linf or L2 to have a more consistent growth pattern. I think as a start it may be ok to have the same growth deviation applied to both parameters.

Describe alternatives you have considered

I have tried to estimate cohort growth deviations with a year-specific deviation on Linf. That sort of growth pattern has been difficult to justify given it is neither a cohort nor year-specific growth pattern.

Statistical validity, if applicable

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Describe if this is needed for a management application

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Additional context

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@Rick-Methot-NOAA Rick-Methot-NOAA added wishlist request new feature; bigger than revision; OK to remove after adding to Milestone growth biology and removed biology labels May 14, 2024
@Rick-Methot-NOAA Rick-Methot-NOAA added this to the 3.30.23 milestone May 14, 2024
@Rick-Methot-NOAA
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There already is code to do Lmin:

              Cohort_Lmin(gp, y + a, a) = Lmin(gp);
            } //  sets for future years so cohort remembers its size at birth; with Lmin(gp) being size at birth this year

It should be straightforward to create and use: Cohort_Lmax()

@Rick-Methot-NOAA Rick-Methot-NOAA modified the milestones: 3.30.23, 3.30.24 Aug 9, 2024
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Labels
growth wishlist request new feature; bigger than revision; OK to remove after adding to Milestone
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