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fishmethods (version 1.5-0)

Fishery Science Methods and Models in R

Description

Fishery science methods and models from literature and colleague contributions

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Version

Install

install.packages('fishmethods')

Monthly Downloads

1,326

Version

1.5-0

License

GPL (>= 2)

Maintainer

Gary A Nelson

Last Published

July 12th, 2013

Functions in fishmethods (1.5-0)

alkprop

Age-Length Key Proportions-At-Age
buffalo

Life Table Data for African Buffalo
Hoenig

Tag Data from Hoenig et al. (1998)
bheq1

Length-based Beverton-Holt Equilibrium Total Instantaneous Mortality Estimator
bheq2

Length-based Beverton-Holt Equilibrium Total Instantaneous Mortality Estimator with Bias-Correction
tag_model_avg

Model Averaging for Instantaneous Rates Tag Return Models
growth

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

Individual lengths of Atlantic cod from cooperative trawling in winter of 2000, Massachusetts Bay
growthResid

Plot residuals of growth model fitted to tag data
pgen

Probability of a Management Parameter Exceeding a Reference Point
lifetable

Life Table Construction
counts

Run size data for alewife (Alosa pseudoharengus)
surveyfit

Estimating the Relative Abundance of Fish From a Trawl Survey
compare2

Comparisons of two age readers or two aging methods
bhnoneq

Length-based Beverton-Holt Nonequilibrium Z Estimator
M.empirical

Estimation of Natural Mortality Rates from Life History Parameters
deplet

Catch-Effort Depletion Methods For a Closed Population
combinevar

Combining Mean and Variances from Multiple Samples
convmort

Conversion of Mortality Rates
codstrcluslen

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

Sample Size Determination for Age Subsampling Using the D statistic
Gerking

Mark-Recapture Data for Sunfish in an Indiana Lake
codcluslen

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

Plot growth trajectories obtained from tagging data
grotag

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

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

Eggs-Per-Recruit Analysis
vblrt

Likelihood Ratio Tests for Comparing Two von Bertalanffy Growth Curves
lfstrclus

Statistical Comparison of Length Frequencies from Stratified Random Cluster Sampling
goosefish

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

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

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

Population Size Estimates from Repeated Mark-Recapture Experiments
Kimura

Length and Age Data For Male and Female Pacific Hake
nshrimp

Data for Gulf of Maine northern shrimp
vbfr

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

Age and length data of the striped bass
Jensen

Age Frequency Data for Lake Whitefish By Individual Haul
alk

Create An Age-Length Key
agesurvcl

Age-Based Survival and Mortality Estimators for Cluster Sampling
mrN.single

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

Yield-Per-Recruit Analysis
rockbass

Age Frequency Data for Rock Bass
zt

Z-transform or center a time series
deltadist

Delta Distribution Mean and Variance Estimators
alkss

Sample Size Determination for Age Subsampling
surveyref

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

Biological data for haddock (Melanogrammus aeglefinus)
Jiang

Tag Data from Jiang (2005)
powertrend

Power Analysis For Detecting Trends
remp

Random Number Generation from an Empirical Distribution
darter

Catch Removal Data For Fantail Darter
opt_trophy

Optimum Trophy Size Limits for Recreational Fisheries
growtrans

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

Catch-Survey Analysis
catch

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

Seasonal Length Frequencies for Raja clavata
agesurv

Age-based Survival Estimators
mhclus

Measures of Homogeneity Within Clusters
clusmean

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

Biological data for menhaden (Brevoortia tyrannus)
sbpr

Spawning Stock Biomass-Per-Recruit Analysis
opt_slot

Optimum Slot and Trophy Size Limits for Recreational Fisheries
sbotos

Otolith ages of striped bass made by two age readers
rockfish

Individual length and age data for rougheye rockfish
yellowtail

Fall average catch per tow for southern New England yellowtail flounder
herring

Total length data for alewive (Alosa pseudoharengus) from Massachusetts waters
lfclus

Statistical Comparison of Length Frequencies from Simple Random Cluster Sampling
irm_cr

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

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

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

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