`install.packages('fishmethods')`

1,160

1.12-1

GPL (>= 2)

April 27th, 2023

bheq

Length-based Beverton-Holt Equilibrium Total Instantaneous Mortality Estimator

bhnoneq

Length-based Beverton-Holt Nonequilibrium Z Estimator

agesurv

Age-based Survival Estimators

alkD

Sample Size Determination for Age Subsampling Using the D statistic

alkss

Sample Size Determination for Age Subsampling

alkdata

Age-Length Key for Gulf of Hauraki snapper, 1992-1993

agesurvcl

Age-Based Survival and Mortality Estimators for Cluster Sampling

alkprop

Age-Length Key Proportions-At-Age

alk

Create An Age-Length Key

astrocalc4r

Solar zenith angles for biological research

bonito

Data from an age and growth study of the pacific bonito.

buffalo

Life Table Data for African Buffalo

catch.select

Selectivity Ogive from a Catch Curve

clus.rho

Intracluster Correlation Coefficients for Clustered Data

clus.mean

Estimation of Population Attributes and Effective Sample Size
for Fishes Collected Via Cluster Sampling

catch

Number of cod captured in 10 standardized bottom trawl hauls from Massachusetts, 1985

clus.lf

Statistical Comparison of Length Frequencies from Simple Random Cluster Sampling

bt.log

Back-transformation of log-transformed mean and variance

catchsurvey

Catch-Survey Analysis

catchmsy

Estimating MSY from catch and resilience

clus.t.test

Correcting a Two-Sample Test for Clustering

compare2

Comparisons of two age readers or two aging methods

codcluslen

Lengths of Atlantic cod caught during Massachusetts Division of Marine Fisheries bottom trawl survey, spring 1985.

clus.rho.g

Calculate A Common Intracluster Correlation Coefficient Among Groups

combinevar

Combining Mean and Variances from Multiple Samples

clus.str.lf

Statistical Comparison of Length Frequencies from Stratified Random Cluster Sampling

compare.lrt.plus

Comparison of growthlrt.plus model objects

clus.vb.fit

Fit a Von Bertalanffy growth equation to clustered data via bootstrapping

deltadist

Delta Distribution Mean and Variance Estimators

codstrcluslen

Lengths of Atlantic cod caught during Massachusetts Division of Marine Fisheries stratified random bottom trawl survey, spring 1985.

ep.data

A sub-sample of data from a simulated population collected via length-stratified age sampling

ep_growth

Fitting the von Bertalanffy growth model to length-stratified age samples

dbsra

Depletion-Based Stock Reduction Analysis

deplet

Catch-Effort Depletion Methods For a Closed Population

dlproj

This function performs projections for dbsra and catchmsy objects

cpuekapp

Trawl survey based abundance estimation using data sets with unusually large catches

darter

Catch Removal Data For Fantail Darter

counts

Run size data for alewife (*Alosa pseudoharengus*)

cowcod

Catch data (metric tons) for cowcod Sebastes levis 1900 to 2008

fm_model_avg

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

goosefish

Mean Length and Numbers of Lengths for Northern Goosefish, 1963-2002

grotagplus

Flexible maximum likelihood estimation of growth from multiple tagging datasets.

fpc

Fishing Power Correction Factor from Experimental Fishing

epr

Eggs-Per-Recruit Analysis

convmort

Conversion of Mortality Rates

gap

Tukey's Gapping

grotag

Maximum likelihood estimation of growth and growth variability from tagging data - Francis (1988)

growhamp

von Bertalanffy Growth Models for Tagging Data Incorporating Individual Variation

fm_telemetry

Estimation of Fishing and Natural Mortality from Telemetry Data

growth_sel

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

growthResid

Plot residuals of growth model fitted to tag data

growthTraject

Plot growth trajectories obtained from tagging data

growth

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

growthlrt.plus

Likelihood Methods for Comparing Multiple Growth Curves

fm_checkdesign

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

menhaden

Biological data for menhaden (Brevoortia tyrannus)

growthmultifit

Fit a Multi-Group Growth Model

growtrans

Growth Transition Matrix for a Size-Structured Population Dynamics Model

growthlrt

Likelihood Ratio Tests for Comparing Multiple Growth Curves

kappenman

Pacific cod catch per effort from Table 1 in Kappenman (1999)

lifetable

Life Table Construction

irm_h

Age-Independent Instantaneous Rates Tag Return Model of Hoenig et al. (1998)

maki

Data from Maki et al. 2001

haddock

Biological data for haddock (Melanogrammus aeglefinus)

irm_cr

Age-Independent Instantaneous Rates Model of Jiang et al. (2007) Incorporating Catch and Release Tag Returns

mort.al

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

mature

Estimation of proportion mature at age when immature fish are unavailable

pgen

Probability of a Management Parameter Exceeding a Reference Point

remp

Random Number Generation from an Empirical Distribution

nshrimp

Data for Gulf of Maine northern shrimp

rig

Tagging data from a growth study of rig

mrN.single

Estimate of Population Size from a Single Mark-Recapture Experiment

pwpop

Estimate Net Reproductive Rates Over Multiple Periods Of An Abundance Time Series Using Piecewise Regression

print.grotagplus

Printing Tagging-Growth Objects

simulus

Age and size data for the growth_sel function

schnabel

Population Size Estimates from Repeated Mark-Recapture Experiments

sr

Estimation and Model Comparison of Stock-Recruitment Relationships

rockbass

Age Frequency Data for Rock Bass

sblen

Total length (inches) of striped bass collected by Massachusetts volunteer anglers in 2014

vbfr

Francis' re-parameterization of the von Bertalanffy growth equation for length-age data

striper

Recruitment Numbers and Female Spawning Stock Biomass for Striped Bass

trout

Mark-recapture data for Kenai River trout trout

pinfish

Length, age and sex data for pinfish (Lagodon rhomboides) from Tampa Bay, Florida

ypr

Yield-Per-Recruit Analysis

surveyref

Quantitative reference points from stock abundance indices based on research surveys

zt

Z-transform or center a time series

surveyfit

Estimating the Relative Abundance of Fish From a Trawl Survey

lingcod

Catch data (metric tons) for lingcod 1889 to 2001

slca

A Weakly Parametric Method for the Analysis of Length Composition Data

opt_slot

Optimum Slot and Trophy Size Limits for Recreational Fisheries

opt_trophy

Optimum Trophy Size Limits for Recreational Fisheries

wolffish

Spring untransformed mean catch per tow for wolffish (Anarhichas lupus)

yellowtail

Fall average catch per tow for southern New England yellowtail flounder

powertrend

Power Analysis For Detecting Trends

sole

Flathead sole CPUEs

plot.grotagplus

Plotting Tagging-Growth Objects

tanaka

Simulated alfonsino data for Tanaka (2006

tag_model_avg

Model Averaging for Instantaneous Rates Tag Return Models

sbotos

Otolith ages of striped bass made by two age readers

sbpr

Spawning Stock Biomass-Per-Recruit Analysis

Hightower

Original data used in Hightower et al. (2001)

Jiang

Tag Data from Jiang (2005)

Shepherd

Seasonal Length Frequencies for Raja clavata

Gerking

Mark-Recapture Data for Sunfish in an Indiana Lake

AtkaMack

Length and Age Data For Male and Female Atka Mackerel

Hoenig

Tag Data from Hoenig et al. (1998)

P.donacina

Data from a growth study of New Zealand intertidal clams.

Jensen

Age Frequency Data for Lake Whitefish By Individual Haul

Kimura

Length and Age Data For Male and Female Pacific Hake

M.empirical

Estimation of Natural Mortality Rates from Life History Parameters