Package: dsims 1.0.5.9000

Laura Marshall

dsims: Distance Sampling Simulations

Performs distance sampling simulations. 'dsims' repeatedly generates instances of a user defined population within a given survey region. It then generates realisations of a survey design and simulates the detection process. The data are then analysed so that the results can be compared for accuracy and precision across all replications. This process allows users to optimise survey designs for their specific set of survey conditions. The effects of uncertainty in population distribution or parameters can be investigated under a number of simulations so that users can be confident that they have achieved a robust survey design before deploying vessels into the field. The distance sampling designs used in this package from 'dssd' are detailed in Chapter 7 of Advanced Distance Sampling, Buckland et. al. (2008, ISBN-13: 978-0199225873). General distance sampling methods are detailed in Introduction to Distance Sampling: Estimating Abundance of Biological Populations, Buckland et. al. (2004, ISBN-13: 978-0198509271). Find out more about estimating animal/plant abundance with distance sampling at <https://distancesampling.org/>.

Authors:Laura Marshall [aut, cre], Thomas Len [ctb]

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dsims.pdf |dsims.html
dsims/json (API)
NEWS

# Install 'dsims' in R:
install.packages('dsims', repos = c('https://distancedevelopment.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/distancedevelopment/dsims/issues

On CRAN:

4.93 score 2 stars 71 scripts 379 downloads 19 exports 54 dependencies

Last updated 22 days agofrom:0e174efc51. Checks:8 OK. Indexed: yes.

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Exports:add.hotspotanalyse.datadescription.summarygenerate.populationgenerate.transectsget.densitiesget.Nhistogram.N.estsmake.densitymake.detectabilitymake.ds.analysismake.population.descriptionmake.simulationrun.simulationrun.surveysave.sim.resultsset.densitiesshowsummary

Dependencies:classclassIntclicolorspaceDBIDistancedplyrdssde1071fansifarvergenericsggplot2gluegridExtragtableisobandKernSmoothlabelinglatticelifecyclemagrittrMASSMatrixmgcvmrdsmunsellnlmenloptrnumDerivoptimxpillarpkgconfigpracmaproxypurrrR6RColorBrewerRcpprlangRsolnprstudioapis2scalessftibbletidyselecttruncnormunitsutf8vctrsviridisLitewithrwk

Readme and manuals

Help Manual

Help pageTopics
Distance Sampling Simulations 'dsims'dsims-package dsims
S4 generic method to add a hotspot to the density gridadd.hotspot add.hotspot,Density-method
S4 generic method to run analysesanalyse.data analyse.data,DS.Analysis,data.frame-method analyse.data,DS.Analysis,Survey-method
Class "Density"Density-class
Class "Density.Summary"Density.Summary-class
Provides a description of the summary object/outputdescription.summary
S4 Class "Detectability"Detectability-class
Class "DS.Analysis"DS.Analysis-class
S4 generic method to generate an instance of a populationgenerate.population generate.population,Population.Description-method generate.population,Simulation-method
generate.transectsgenerate.transects,Simulation-method
Method to get density valuesget.densities
S4 generic method to return Nget.N get.N,Population.Description-method
histogram.N.estshistogram.N.ests
Creates a Density objectmake.density
Creates a Detectability objectmake.detectability
Creates an Analysis objectmake.ds.analysis
Creates a Population.Description objectmake.population.description
Creates a Simulation objectmake.simulation
Plotplot,Density,ANY-method plot,Density,Region-method
Plotplot,Detectability,ANY-method plot,Detectability,Population.Description-method
Plotplot,Population,ANY-method plot,Population,Region-method
plotplot,Survey,ANY-method plot,Survey,Region-method
Class "Population"Population-class
Class "Population.Description"Population.Description-class
Method to run a simulationrun.simulation
S4 generic method to simulate a surveyrun.survey run.survey,Simulation-method run.survey,Survey.LT-method run.survey,Survey.PT-method
Randomly generates values from a zero-truncated Poisson distributionrztpois
save.sim.resultssave.sim.results
Method to set density valuesset.densities
showshow,Density.Summary-method
showshow,Simulation-method
showshow,Simulation.Summary-method
Class "Simulation"Simulation-class
Class "Simulation.Summary"Simulation.Summary-class
summarysummary,Density-method
summarysummary,Simulation-method
Virtual Class "Survey"Survey-class
Class "Survey.LT" extends class "Survey"Survey.LT-class
Class "Survey.PT" extends class "Survey"Survey.PT-class