Wildlife Sightability Modeling


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Documentation for package ‘SightabilityModel’ version 1.5.5

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SightabilityModel-package Wildlife Sightability Modeling
check.sightability.model.args Check the sightability model arguments for consistency
compute.detect.prob Compute the detection probability given a sightability model
compute.SCF Compute the sightability correction factor given a sightability and covariates
covtheta Estimates var/cov matrix of inflation factors (1/prob detection) using a non-parametric bootstrap.
exp.m Experimental (test trials) data set used to estimate detection probabilities for moose in MN
g.fit Mountain Goat Sightability Model Information
gdat Mountain Goat Survey Data from Olympic National park
MoosePopR R function that gives the same functionality as the MoosePop program.
MoosePopR_DomStrat Classical and Domain Stratification using MoosePopR()
MoosePopR_DomStrat_bootrep Generate a bootstrap replicate of data for call to MoosePopR_DomStrat()
obs.m MN moose survey data
print.sightest Print method for sightability estimators
print.sightest_ratio Print method for sightability estimators
sampinfo.m Data set containing sampling information for observation survey of moose in MN
Sight.Est Sightability Model Estimator
Sight.Est.Ratio Sightability Model Estimator - Ratio of variables
SightabilityModel Wildlife Sightability Modeling
SightabilityPopR R function that interfaces with the SightabilityModel package and gives similar functionality as the AerialSurvey program
SightabilityPopR_DomStrat Classical and Domain Stratification using SightabilityPopR()
SS.est Sightability estimate with variance components estimator from Steinhorst and Samuel (1989) and Samuel et al. (1992).
SS.est.Ratio Sightability estimate or ratio with variance components estimator from Steinhorst and Samuel (1989) and Samuel et al. (1992). This is merely a stub and has not been implemented.
summary.sightest Summarize sightability estimator
summary.sightest_ratio Summarize sightability estimator
vardiff Function to estimate the variance of the difference between two population estimates
varlog.lam Calculates the variance of the log rate of change between 2 population estimates that rely on the same sightability model.
Wong.est Sightability estimate with variance components estimator from Wong (1996)
Wong.est.Ratio Sightability estimate of ratio with variance components estimator from Wong (1996)