cuttlefish.model (version 1.0)

An R package to perform LPUE standardization and stock assessment of the English Channel cuttlefish stock using a two-stage biomass model

Description

This package can be used to standardize abundance indices using the delta-GLM method and to model the English Channel cuttlefish stock using a two-stage biomass model

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Install

install.packages('cuttlefish.model')

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Version

1.0

License

GPL-3

Maintainer

Michael Gras

Last Published

April 9th, 2014

Functions in cuttlefish.model (1.0)

two.stage.model.fit

Two-stage biomass model fitting function

cuttlefish.model-package

Cuttlefish modelling

fr.data.lpue

Observed French Landings Per Unit Effort

input.data

Input data (4 abundance indices and total landings per quarter).

two.stage.model.outputs

Two-stage biomass model output estimation

delta.glm

LPUE standardisation using Delta-GLM method