Left truncation criteria for survival analysis of white-tailed deer
| Autor: | Daniel J. Storm, Andrew S. Norton, Christopher N. Jacques, Karl J. Martin, Michael A. Watt, Timothy R. Van Deelen |
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| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
education.field_of_study Ecology Population Wildlife Biology Odocoileus biology.organism_classification 010603 evolutionary biology 01 natural sciences 010601 ecology Sample size determination Left truncation General Earth and Planetary Sciences Truncation (statistics) education Lower mortality Ecology Evolution Behavior and Systematics Survival analysis Nature and Landscape Conservation General Environmental Science Demography |
| Zdroj: | The Journal of Wildlife Management. 80:1323-1331 |
| ISSN: | 0022-541X |
| Popis: | Survival estimates are commonly obtained by physically capturing wildlife and marking or affixing a transmitter to a representative sample of the population. Bias induced by capture stress can occur for white-tailed deer (Odocoileus virginianus) if capture influences the probability of mortality. To mitigate this bias, researchers often left truncate data for a threshold number of days (14–28 days for deer) after capture. Potential costs of left truncation include reduced sample size and reduced inference. Costs associated with capture and monitoring of deer are substantial, and defining a truncation period is usually arbitrary or ad hoc. Hence, researchers need to evaluate objectively the effects of left truncation. We analyzed time-to-event data from 1,001 radio-collared white-tailed deer from northern forests and eastern farmlands of Wisconsin, USA in 2011–2014 to evaluate justification for using a 2-week truncation period by comparing the probability of mortality for deer |
| Databáze: | OpenAIRE |
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