Species sensitivity distributions are cumulative probability distributions which are fitted to toxicity concentrations for different species as described by Posthuma et al. (2001) <isbn:9781566705783>. The ssdtools package uses Maximum Likelihood to fit distributions such as the log-normal, gamma, burr Type-III, log-logistic, log-Gumbel, Gompertz and Weibull. The user can provide custom distributions. Multiple distributions can be averaged using Information Criteria. Confidence intervals on hazard concentrations and proportions are produced by parametric bootstrapping.
Carl Schwarz [contractor]
Angeline Tillmanns [contributor]
Ali Azizishirazi [contributor]
Rebecca Fisher [contributor]
David Fox [contributor]
Kathleen McTavish [contributor]
Heather Thompson [contributor]
Andy Teucher [contributor]
Emilie Doussantousse [contributor]
Stephanie Hazlitt [contributor]
Nan-Hung Hsieh [contributor]
Sergio Ibarra Espinosa [contributor]
Province of British Columbia [copyright holder]
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