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Recruitment_Bias_Adjustment

Beverton-Holt and Ricker stock-recruitment models have been widely used in fisheries population dynamics. A lognormal error is often assumed in those stock-recruitment analyses. In this R Shiny App, we demonstrate that a bias results when a stock-recruitment model with lognormal error is used. We also provide R functions for converting unfished recruitment and steepness between two methods of bias adjustment.

To run the Shiny App locally use the following code in your R console:

library(shiny)

runGitHub(repo="Bai-Li-NOAA/Recruitment_Bias_Adjustment")

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“The United States Department of Commerce (DOC) GitHub project code is provided on an ‘as is’ basis and the user assumes responsibility for its use. DOC has relinquished control of the information and no longer has responsibility to protect the integrity, confidentiality, or availability of the information. Any claims against the Department of Commerce stemming from the use of its GitHub project will be governed by all applicable Federal law. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by the Department of Commerce. The Department of Commerce seal and logo, or the seal and logo of a DOC bureau, shall not be used in any manner to imply endorsement of any commercial product or activity by DOC or the United States Government.”

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