SightabilityModel-package: Wildlife Sightability Modeling

SightabilityModel-packageR Documentation

Wildlife Sightability Modeling


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).


John Fieberg

Maintainer: John Fieberg <>, Carl James Schwarz <>


Fieberg, J. 2012. Estimating Population Abundance Using Sightability Models: R SightabilityModel Package. Journal of Statistical Software, 51(9), 1-20. URL

Steinhorst, Kirk R. and Samuel, Michael D. 1989. Sightability Adjustment Methods for Aerial Surveys of Wildlife Populations. Biometrics 45:415–425.

SightabilityModel documentation built on Aug. 20, 2023, 1:08 a.m.