Distance Sampling Detection Function and Abundance Estimation


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Documentation for package ‘Distance’ version 1.0.4

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Distance-package Distance sampling
add_df_covar_line Add covariate levels detection function plots
AIC.dsmodel Akaike's An Information Criterion for detection functions
amakihi Hawaiian amakihi point transect data
amakihi_units Hawaiian amakihi point transect data
bootdht Bootstrap uncertainty estimation for distance sampling models
bootdht_Nhat_summarize Simple summary for bootstrap model
capercaillie Capercaillie in Monaughty Forest
capercaillie_units Capercaillie in Monaughty Forest
checkdata Check that the data supplied to 'ds' is correct
chi2_select Tools for model selection when distance sampling data are overdispersed
ClusterExercise Simulated minke whale data with cluster size
ClusterExercise_units Simulated minke whale data with cluster size
convert_units Convert units for abundance estimation
create.bins Create bins from a set of binned distances and a set of cutpoints.
CueCountingExample Cue counts of whale blows
CueCountingExample_units Cue counts of whale blows
dht2 Abundance estimation for distance sampling models
Distance Distance sampling
ds Fit detection functions and calculate abundance from line or point transect data
ds.gof Goodness of fit tests for distance sampling models
ducknest Ducknest line transect survey data
ducknests_units Ducknest line transect survey data
ducknest_units Ducknest line transect survey data
DuikerCameraTraps Duiker camera trap survey
DuikerCameraTraps_units Duiker camera trap survey
ETP_Dolphin Eastern Tropical Pacific spotted dolphin survey
ETP_Dolphin_units Eastern Tropical Pacific spotted dolphin survey
flatfile The flatfile data format
gof_ds Goodness of fit testing and quantile-quantile plots
golftees Golf tee data
golftees_units Golf tee data
logLik.dsmodel log-likelihood value for a fitted detection function
LTExercise Simulated line transect survey data
LTExercise_units Simulated line transect survey data
make_activity_fn Multiplier bootstrap helper functions
minke Simulated minke whale data
plot.dsmodel Plot a fitted detection function
predict.dsmodel Predictions from a fitted detection function
print.dht_result Print abundance estimates
print.dsmodel Simple pretty printer for distance sampling analyses
print.summary.dsmodel Print summary of distance detection function model object
PTExercise Simulated point transect survey data
PTExercise_units Simulated point transect survey data
p_dist_table Distribution of probabilities of detection
QAIC Tools for model selection when distance sampling data are overdispersed
Savannah_sparrow_1980 Savanna sparrow point transects
Savannah_sparrow_1980_units Savanna sparrow point transects
Savannah_sparrow_1981 Savanna sparrow point transects
Savannah_sparrow_1981_units Savanna sparrow point transects
sikadeer Sika deer pellet data from southern Scotland
sikadeer_units Sika deer pellet data from southern Scotland
Stratify_example Simulated minke whale data
Stratify_example_units Simulated minke whale data
summarize_ds_models Make a table of summary statistics for detection function models
summary.dht_bootstrap Summarize bootstrap abundance uncertainty estimate output
summary.dsmodel Summary of distance sampling analysis
Systematic_variance_1 Simulation of encounter rate variance
Systematic_variance_1_units Simulation of encounter rate variance
Systematic_variance_2 Simulation of encounter rate variance
Systematic_variance_2_units Simulation of encounter rate variance
unflatten Unflatten flatfile data.frames
unimak Simulated line transect survey data with covariates
unimak_units Simulated line transect survey data with covariates
units_table Generate table of unit conversions
wren Steve Buckland's winter wren surveys
wren_5min Steve Buckland's winter wren surveys
wren_5min_units Steve Buckland's winter wren surveys
wren_cuecount Steve Buckland's winter wren surveys
wren_cuecount_units Steve Buckland's winter wren surveys
wren_lt Steve Buckland's winter wren surveys
wren_lt_units Steve Buckland's winter wren surveys
wren_snapshot Steve Buckland's winter wren surveys
wren_snapshot_units Steve Buckland's winter wren surveys