Density Surface Modelling of Distance Sampling Data


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Documentation for package ‘dsm’ version 2.3.1

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dsm-package Density surface modelling
block.info.per.su Find the block information
check.cols Check column names exist
distdata Pan-tropical spotted dolphins in the Gulf of Mexico
dsm Fit a density surface model to segment-specific estimates of abundance or density.
dsm-data Data format for DSM
dsm.cor Check for autocorrelation in residuals
dsm.var.gam Prediction variance estimation assuming independence
dsm.var.movblk Variance estimation via parametric moving block bootstrap
dsm.var.prop Prediction variance propagation for DSMs
dsm_varprop Variance propagation for density surface models
dummy_ddf Detection function objects when detection is certain
generate.ds.uncertainty Generate data from a fitted detection function
generate.mb.sample Moving block bootstrap sampler
latlong2km Convert latitude and longitude to Northings and Eastings
make.soapgrid Create a knot grid for the internal part of a soap film smoother.
matrixnotposdef.handler Handler to suppress the "matrix not positive definite" warning
mexdolphins Pan-tropical spotted dolphins in the Gulf of Mexico
obsdata Pan-tropical spotted dolphins in the Gulf of Mexico
obs_exp Observed versus expected diagnostics for fitted DSMs
plot.dsm Plot a density surface model.
plot.dsm.var Create plots of abundance uncertainty
plot_pred_by_term Spatially plot predictions per model term
pred.polys Pan-tropical spotted dolphins in the Gulf of Mexico
preddata Pan-tropical spotted dolphins in the Gulf of Mexico
predict.dsm Predict from a fitted density surface model
predict.fake_ddf Prediction for fake detection functions
print.dsm Print a description of a density surface model object
print.dsm.var Print a description of a density surface model variance object
print.dsm_varprop Print a description of a density surface model variance object
print.summary.dsm.var Print summary of density surface model variance object
print.summary.dsm_varprop Print summary of density surface model variance object
rqgam.check Randomised quantile residuals check plot for GAMs/DSMs
segdata Pan-tropical spotted dolphins in the Gulf of Mexico
summary.dsm Summarize a fitted density surface model
summary.dsm.var Summarize the variance of a density surface model
summary.dsm_varprop Summarize the variance of a density surface model
survey.area Pan-tropical spotted dolphins in the Gulf of Mexico
trim.var Trimmed variance
vis.concurvity Visualise concurvity between terms in a GAM