Model Averaging in Ecology

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  • Much of statistical practice is concerned with parameter uncertainty, and ignores model uncertainty, which arises when we fit several models and find that no single model stands out as best. This course will provide you with the tools to be able to allow for both types of uncertainty. Model averaging involves estimating the parameters in a way that allows for model uncertainty, and it often provides better estimates and confidence/credible intervals than those from a single best model. The course is divided into two modules (Bayesian and Frequentist model averaging) composed of pre-recorded lecture material and hands-on exercises using R. The course is based on David Fletcher's recent book (Springer 2018), which can be found here.

  • Experience with the basics of probability, statistical methods (estimation and model selection), and using R to fit statistical models.

  • TOPICS

    Why model averaging?

    Motivating examples

    Bayesian model averaging

    • Classical Bayesian model averaging

    • Prediction-based model averaging

    • Examples of Bayesian model averaging

    • R exercises with solutions on Bayesian model averaging

    • Issues in Bayesian model averaging

    Frequentist model averaging

    • Point estimation in frequentist model averaging

    • Examples of point estimation in frequentist model averaging

    • R exercises with solutions on point estimation in frequentist model averaging

    • Interval estimation in frequentist model averaging

    • Examples of Interval estimation in frequentist model averaging

    • R exercises with solutions on Interval estimation in frequentist model averaging

    • Issues in Frequentist model averaging

    LEARNING OUTCOMES

    • Explain why there is a need for model averaging

    • Decide when model averaging is and is not useful

    • Understand modern tools for Bayesian and frequentist model averaging

    • Understand the pros and cons of different methods used in model averaging

    • Write R code to use these tools, including the use of relevant R packages

    • Describe clearly the results you obtain from model averaging

COURSE FORMATS & DATES (See Chart above)

  • FORMAT:

    • 3 months of access to course materials as you work at your own pace 

    CONTINUING EDUCATION:

    • 16 CEUs with The Wildlife Society

    • 4 CEUs in Category I(a): Scientific Education and Training with the Ecological Society of America

    • Go to our Continuing Education Page for more details

    DATES & PRICES:

    • Winter: Dec 2 - Feb 23 (Early bird ends Nov 4th): $275 student / $375 professional

    *Early bird saves $75

  • FORMAT:

    • 3 months of access to course materials as you work at your own pace 

    • Get instructor support for the 3-month term via email, discussion threads, group meetings, and one-on-one appointments

    • After working through the course materials, set up an optional meeting with the instructor to discuss your own personal project from work or school

    CONTINUING EDUCATION:

    • 16 CEUs with The Wildlife Society

    • 4 CEUs in Category I(a): Scientific Education and Training with the Ecological Society of America

    • Go to our Continuing Education Page for more details

    CERTIFICATIONS:

    DATES & PRICES:

    • Winter: Dec 2 - Feb 23 (Early bird ends Nov 4th): $425 student / $525 professional

    *Early bird saves $75

  • FORMAT:

    • 12 months of access to course materials as you work at your own pace 

    • Get instructor support for the 3-month term via email, discussion threads, group meetings, and one-on-one appointments

    • After working through the course materials, set up an optional meeting with the instructor to discuss your own personal project from work or school

    CONTINUING EDUCATION:

    • 16 CEUs with The Wildlife Society

    • 4 CEUs in Category I(a): Scientific Education and Training with the Ecological Society of America

    • Go to our Continuing Education Page for more details

    CERTIFICATIONS:

    DATES & PRICES:

    • Winter: Dec 2 - Feb 23 (Early bird ends Nov 4th): $575 professional / $675 student

    *Early bird saves $75

PRIMARY INSTRUCTOR

 

SCHOLARSHIPS

Full scholarships are available to participants from countries designated as “lower income” and “lower middle income” in the World Bank List of Economies. Please see our CWS World Scholars Program page for details.

CANCELLATION POLICY

Cancellations 30 days or more before the start date are not subject to cancellation fees. Cancellations <30 days before the start date are subject to a 50% cancellation fee. No refunds once the course begins.