Skalski and Whitlock Anim Biotelemetry (2021) 9:18 Animal Biotelemetry https://doi.org/10.1186/s40317-021-00241-3 Open Access CORREC TION Correction to: Vitality models found useful in modeling tag-failure times in acoustic-tag survival studies John R. Skalski and Steven L. Whitlock Correction to: Anim Biotelemetry (2020) 8:26 The original article  has been updated. https:// doi. org/ 10. 1186/ s40317- 020- 00213- Following publication of the original article , the authors identified an error in the equations. This has been corrected with this erratum. Equations for the vitality model survival functions were misspecified in the article. For the Vitality (2009) model (Eq. 8), the correct formulation is as follows: � � � � 2u r 2 2 2u r 2r 1 + rt + 1 − rt + 2 s −kt 4 2 s s (8) S(t) = � √ − e · � − √ e . 2 2 2 2 u + s t u + s t For the Vitality (2013) model (Eq. 9), the correct formu- lation of the survival function is as follows: −1/β rt/β 1 − rt 2 1 + rt − e e −1 2r/s r (9) √ √ S(t) = � − e � − e . s t s t Although the expressions for the vitality models were Reference 1. Skalski JR, Whitlock SL. Vitality models found useful in modeling tag-fail- misspecified in the article, all the numerical and graphi - ure times in acoustic-tag survival studies. Anim Biotelemetry. 2020;8:26. cal results were reported correctly and the conclusions https:// doi. org/ 10. 1186/ s40317- 020- 00213-z. are unaffected. Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in pub- lished maps and institutional affiliations. The original article can be found online at https:// doi. org/ 10. 1186/ s40317- 020- 00213-z. *Correspondence: email@example.com Columbia Basin Research, School of Aquatic and Fishery Sciences, University of Washington, 1325 Fourth Ave, Suite 1515, Seattle, WA 98101, USA © The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http:// creat iveco mmons. org/ licen ses/ by/4. 0/. The Creative Commons Public Domain Dedication waiver (http:// creat iveco mmons. org/ publi cdoma in/ zero/1. 0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
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Published: May 21, 2021