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fishmethods (version 1.11-2)

Fishery Science Methods and Models

Description

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

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Version

Install

install.packages('fishmethods')

Monthly Downloads

1,189

Version

1.11-2

License

GPL (>= 2)

Maintainer

Gary Nelson

Last Published

July 16th, 2021

Functions in fishmethods (1.11-2)

Hoenig

Tag Data from Hoenig et al. (1998)
Shepherd

Seasonal Length Frequencies for Raja clavata
M.empirical

Estimation of Natural Mortality Rates from Life History Parameters
agesurv

Age-based Survival Estimators
Gerking

Mark-Recapture Data for Sunfish in an Indiana Lake
Hightower

Original data used in Hightower et al. (2001)
agesurvcl

Age-Based Survival and Mortality Estimators for Cluster Sampling
Jensen

Age Frequency Data for Lake Whitefish By Individual Haul
P.donacina

Data from a growth study of New Zealand intertidal clams.
Jiang

Tag Data from Jiang (2005)
bhnoneq

Length-based Beverton-Holt Nonequilibrium Z Estimator
alk

Create An Age-Length Key
bonito

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

Estimating MSY from catch and resilience
catchsurvey

Catch-Survey Analysis
astrocalc4r

Solar zenith angles for biological research
clus.rho

Intracluster Correlation Coefficients for Clustered Data
bheq

Length-based Beverton-Holt Equilibrium Total Instantaneous Mortality Estimator
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
growtrans

Growth Transition Matrix for a Size-Structured Population Dynamics Model
menhaden

Biological data for menhaden (Brevoortia tyrannus)
growhamp

von Bertalanffy Growth Models for Tagging Data Incorporating Individual Variation
growthmultifit

Fit a Multi-Group Growth Model
codcluslen

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

Fit a Von Bertalanffy growth equation to clustered data via bootstrapping
alkD

Sample Size Determination for Age Subsampling Using the D statistic
rockbass

Age Frequency Data for Rock Bass
mort.al

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

Catch data (metric tons) for cowcod Sebastes levis 1900 to 2008
compare2

Comparisons of two age readers or two aging methods
sole

Flathead sole CPUEs
sr

Estimation and Model Comparison of Stock-Recruitment Relationships
clus.rho.g

Calculate A Common Intracluster Correlation Coefficient Among Groups
clus.lf

Statistical Comparison of Length Frequencies from Simple Random Cluster Sampling
Kimura

Length and Age Data For Male and Female Pacific Hake
sblen

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

Age-Length Key Proportions-At-Age
goosefish

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

Combining Mean and Variances from Multiple Samples
grotag

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

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

Conversion of Mortality Rates
yellowtail

Fall average catch per tow for southern New England yellowtail flounder
clus.mean

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

Catch-Effort Depletion Methods For a Closed Population
sbotos

Otolith ages of striped bass made by two age readers
counts

Run size data for alewife (Alosa pseudoharengus)
alkss

Sample Size Determination for Age Subsampling
fm_checkdesign

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

Tukey's Gapping
darter

Catch Removal Data For Fantail Darter
cpuekapp

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

Optimum Trophy Size Limits for Recreational Fisheries
catch

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

Z-transform or center a time series
opt_slot

Optimum Slot and Trophy Size Limits for Recreational Fisheries
dlproj

This function performs projections for dbsra and catchmsy objects
pgen

Probability of a Management Parameter Exceeding a Reference Point
growthlrt

Likelihood Ratio Tests for Comparing Multiple Growth Curves
catch.select

Selectivity Ogive from a Catch Curve
vbfr

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

Plot growth trajectories obtained from tagging data
powertrend

Power Analysis For Detecting Trends
clus.str.lf

Statistical Comparison of Length Frequencies from Stratified Random Cluster Sampling
mature

Estimation of proportion mature at age when immature fish are unavailable
bt.log

Back-transformation of log-transformed mean and variance
grotagplus

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

Life Table Construction
lingcod

Catch data (metric tons) for lingcod 1889 to 2001
irm_cr

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

Eggs-Per-Recruit Analysis
haddock

Biological data for haddock (Melanogrammus aeglefinus)
irm_h

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

Data for Gulf of Maine northern shrimp
clus.t.test

Correcting a Two-Sample Test for Clustering
mrN.single

Estimate of Population Size from a Single Mark-Recapture Experiment
kappenman

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

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

Life Table Data for African Buffalo
codstrcluslen

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

Plot residuals of growth model fitted to tag data
deltadist

Delta Distribution Mean and Variance Estimators
print.grotagplus

Printing Tagging-Growth Objects
tanaka

Simulated alfonsino data for Tanaka (2006
schnabel

Population Size Estimates from Repeated Mark-Recapture Experiments
dbsra

Depletion-Based Stock Reduction Analysis
fpc

Fishing Power Correction Factor from Experimental Fishing
maki

Data from Maki et al. 2001
pinfish

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

Quantitative reference points from stock abundance indices based on research surveys
surveyfit

Estimating the Relative Abundance of Fish From a Trawl Survey
ypr

Yield-Per-Recruit Analysis
sbpr

Spawning Stock Biomass-Per-Recruit Analysis
remp

Random Number Generation from an Empirical Distribution
striper

Recruitment Numbers and Female Spawning Stock Biomass for Striped Bass
pwpop

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

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

Mark-recapture data for Kenai River trout trout
plot.grotagplus

Plotting Tagging-Growth Objects
slca

A Weakly Parametric Method for the Analysis of Length Composition Data
rig

Tagging data from a growth study of rig
tag_model_avg

Model Averaging for Instantaneous Rates Tag Return Models