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Ken Rice 1,2 , Thomas Lumley 1,3 , Betz Halloran 1,4

Determining sample size for avian mortality (and vice-versa) - using data augmentation for epidemiology. Ken Rice 1,2 , Thomas Lumley 1,3 , Betz Halloran 1,4. University of Washington, Department of Biostatistics Seattle Symphony Chorale Seattle Choral Company

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Ken Rice 1,2 , Thomas Lumley 1,3 , Betz Halloran 1,4

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  1. Determining sample size for avian mortality(and vice-versa)- using data augmentation for epidemiology Ken Rice1,2, Thomas Lumley1,3 , Betz Halloran1,4 • University of Washington, Department of Biostatistics • Seattle Symphony Chorale • Seattle Choral Company • Statistical and Quantitative Methods for Infectious Diseases and Evaluating Interventions

  2. West Nile Virus • King County wants you to be aware!

  3. It’s working! • Cases of West Nile in King County

  4. Avoiding misclassification “If you find a dead crow, blue jay, raven or pigeon” Before analyzing it; • Is it a bird? • Is it a plain (bird)? • Is it dead?

  5. Sample size – a reminder • Power is low for rare events • Low power = lots of awkward questions to answer! • How to increase sample size of dead birds?

  6. strychnine Sample size – a reminder • A hint! • We don’t cover this in Autumn quarter, or Winter… cyanide

  7. SPRING!

  8. THE END!

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