SightabilityModel1.5.5 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 co...

covtheta

Estimates var/cov matrix of inflation factors (1/prob detection) using...

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(...

print.sightest

Print method for sightability estimators

Sight.Est.Ratio

Sightability Model Estimator - Ratio of variables

Sight.Est

Sightability Model Estimator

SightabilityModel-package

Wildlife Sightability Modeling

SightabilityPopR

R function that interfaces with the SightabilityModel package and give...

SightabilityPopR_DomStrat

Classical and Domain Stratification using SightabilityPopR()

SS.est.Ratio

Sightability estimate or ratio with variance components estimator from...

SS.est

Sightability estimate with variance components estimator from Steinhor...

summary.sightest

Summarize sightability estimator

vardiff

Function to estimate the variance of the difference between two popula...

varlog.lam

Calculates the variance of the log rate of change between 2 population...

Wong.est.Ratio

Sightability estimate of ratio with variance components estimator from...

Wong.est

Sightability estimate with variance components estimator from Wong (19...

Uses logistic regression to model the probability of detection as a function of covariates. This model is then used with observational survey data to estimate population size, while accounting for uncertain detection. See Steinhorst and Samuel (1989).