fishmethods1.12-1 package

Fishery Science Methods and Models

agesurv

Age-based Survival Estimators

agesurvcl

Age-Based Survival and Mortality Estimators for Cluster Sampling

alk

Create An Age-Length Key

alkD

Sample Size Determination for Age Subsampling Using the D statistic

alkprop

Age-Length Key Proportions-At-Age

alkss

Sample Size Determination for Age Subsampling

astrocalc4r

Solar zenith angles for biological research

bheq

Length-based Beverton-Holt Equilibrium Total Instantaneous Mortality E...

bhnoneq

Length-based Beverton-Holt Nonequilibrium Z Estimator

bt.log

Back-transformation of log-transformed mean and variance

catch.select

Selectivity Ogive from a Catch Curve

catchmsy

Estimating MSY from catch and resilience

catchsurvey

Catch-Survey Analysis

clus.lf

Statistical Comparison of Length Frequencies from Simple Random Cluste...

clus.mean

Estimation of Population Attributes and Effective Sample Size for Fish...

clus.rho.g

Calculate A Common Intracluster Correlation Coefficient Among Groups

clus.rho

Intracluster Correlation Coefficients for Clustered Data

clus.str.lf

Statistical Comparison of Length Frequencies from Stratified Random Cl...

clus.t.test

Correcting a Two-Sample Test for Clustering

clus.vb.fit

Fit a Von Bertalanffy growth equation to clustered data via bootstrapp...

combinevar

Combining Mean and Variances from Multiple Samples

compare.lrt.plus

Comparison of growthlrt.plus model objects

compare2

Comparisons of two age readers or two aging methods

convmort

Conversion of Mortality Rates

cpuekapp

Trawl survey based abundance estimation using data sets with unusually...

dbsra

Depletion-Based Stock Reduction Analysis

deltadist

Delta Distribution Mean and Variance Estimators

deplet

Catch-Effort Depletion Methods For a Closed Population

dlproj

This function performs projections for dbsra and catchmsy objects

ep_growth

Fitting the von Bertalanffy growth model to length-stratified age samp...

epr

Eggs-Per-Recruit Analysis

fm_checkdesign

Check parameter structure of Hightower et al. (2001) models

fm_model_avg

Model Averaging for the Telemetry Method of Hightower et al. (2001)

fm_telemetry

Estimation of Fishing and Natural Mortality from Telemetry Data

fpc

Fishing Power Correction Factor from Experimental Fishing

gap

Tukey's Gapping

grotag

Maximum likelihood estimation of growth and growth variability from ta...

grotagplus

Flexible maximum likelihood estimation of growth from multiple tagging...

growhamp

von Bertalanffy Growth Models for Tagging Data Incorporating Individua...

growth

Fitting Growth Curves to Length- or Weight-at-Age Data

growth_sel

Fitting a von Bertalanffy curve to length and age data biased by gear ...

growthlrt.plus

Likelihood Methods for Comparing Multiple Growth Curves

growthlrt

Likelihood Ratio Tests for Comparing Multiple Growth Curves

growthmultifit

Fit a Multi-Group Growth Model

growthResid

Plot residuals of growth model fitted to tag data

growthTraject

Plot growth trajectories obtained from tagging data

growtrans

Growth Transition Matrix for a Size-Structured Population Dynamics Mod...

irm_cr

Age-Independent Instantaneous Rates Model of Jiang et al. (2007) Incor...

irm_h

Age-Independent Instantaneous Rates Tag Return Model of Hoenig et al. ...

lifetable

Life Table Construction

M.empirical

Estimation of Natural Mortality Rates from Life History Parameters

mature

Estimation of proportion mature at age when immature fish are unavaila...

mort.al

Estimation of Mortality using Times-At-Large Data from Tagging

mrN.single

Estimate of Population Size from a Single Mark-Recapture Experiment

opt_slot

Optimum Slot and Trophy Size Limits for Recreational Fisheries

opt_trophy

Optimum Trophy Size Limits for Recreational Fisheries

pgen

Probability of a Management Parameter Exceeding a Reference Point

plot.grotagplus

Plotting Tagging-Growth Objects

powertrend

Power Analysis For Detecting Trends

print.grotagplus

Printing Tagging-Growth Objects

pwpop

Estimate Net Reproductive Rates Over Multiple Periods Of An Abundance ...

remp

Random Number Generation from an Empirical Distribution

sbpr

Spawning Stock Biomass-Per-Recruit Analysis

schnabel

Population Size Estimates from Repeated Mark-Recapture Experiments

simulus.rd

Age and size data for the growth_sel function

slca

A Weakly Parametric Method for the Analysis of Length Composition Data

sr

Estimation and Model Comparison of Stock-Recruitment Relationships

surveyfit

Estimating the Relative Abundance of Fish From a Trawl Survey

surveyref

Quantitative reference points from stock abundance indices based on re...

tag_model_avg

Model Averaging for Instantaneous Rates Tag Return Models

vbfr

Francis' re-parameterization of the von Bertalanffy growth equation fo...

ypr

Yield-Per-Recruit Analysis

zt

Z-transform or center a time series

Functions for applying a wide range of fisheries stock assessment methods.

  • Maintainer: Gary A. Nelson
  • License: GPL (>= 2)
  • Last published: 2023-04-27