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Tuesday February 23, 2027 10:30am - 12:00pm PST
This session challenges how we think about certainty in ratio studies, exploring why point estimates and traditional confidence intervals may not tell the whole story about assessment performance. Participants will learn how improved approaches, including Bayesian methods, can better account for uncertainty and lead to clearer, more defensible valuation decisions.

Paul Bidanset, Founder & Executive Director, Center for Assessment Research and Technology (CART)
Peadar Davis, Peadar Davis, PhD, MRICS, Senior Lecturer, Ulster University
Luc Hermans, Global Chief Officer/Data Scientist, Netherlands Council for Real Estate Assessment


Keywords: Statistics & Ratio Studies, Mass Appraisal & Valuation Modeling, Intermediate
Moderators
avatar for Danny Hagen

Danny Hagen

Assessor, Skagit County
As Skagit County Assessor, Danny Hagen brings a technology-forward approach to public service, using data, systems, and collaborative problem-solving to drive fairer, more transparent government.

Danny serves as President of the Washington State Association of County Assessors (WSACA) and 2nd Vice President of the Washington Association of County Officials (WACO) Board of Trustees, where he works to foster collaboration and innovation across Washington's county governments... Read More →
Speakers
avatar for Paul Bidanset

Paul Bidanset

Researcher, Center for Appraisal Research and Technology
Paul Bidanset is an international AVM consultant and founder of the Center for Appraisal Research and Technology (CART), a nonprofit dedicated to promoting appraisal equity through free research, workflows, and technology. He has most recently worked with the governments of Moldova... Read More →
avatar for Peadar Davis, PhD, MRICS

Peadar Davis, PhD, MRICS

Senior Lecturer, Ulster University

avatar for Luc Hermans

Luc Hermans

Chief Global Officer/Data Scientist, Netherlands Council for Real Estate Assessment
Luc is the Chief Global Officer for the Netherlands Council for Real Estate Assessment, in this role he is involved in international projects and collaborations. Next to that Luc is a PhD-candidate at Ulster University.
Tuesday February 23, 2027 10:30am - 12:00pm PST
Willow, 3rd Floor

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