SightabilityModel-package: Wildlife Sightability Modeling

Description Details Author(s) References


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).


Package: SightabilityModel
Type: Package
Version: 1.3
Date: 2014-10-03
License: GPL-2
LazyLoad: yes


John Fieberg

Maintainer: John Fieberg <>


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.

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