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47 <br /> 2016-"Unique Applications of Geographically Weighted Regression" <br /> 2017-"Vertical Equity Decathlon: PRD vs. PRB" <br /> 2019-"Representative Sales Samples in Mass Appraisal: Tests and Remedial Measures" <br /> 2022-"Amazing Dashboards Using R Shiny" <br /> 2023- "The Most Important Statistical Issues in the Vertical Inequity Debate - Explained" <br /> 2024- "Quantifying Bias in Vertical Inequity Detection Methods" <br /> 2025- "Proposing a New Market Value Proxy for Vertical Inequity Detection" <br /> GIS Valuation Technologies Conference Workshop <br /> 2016- "Basics of the R Statistical Software" <br /> 2017-"Basics of the R Statistical Software" <br /> 2021 - "Mass Appraisal Valuation Modeling in R or SPSS Workshop" (Along with a group of others) <br /> 2022- "Mass Appraisal Valuation Modeling in R or SPSS Workshop" (Along with a group of others) <br /> IAAO International Conference on Assessment Administration <br /> 2010-"Using Geographical-Attribute Weighted Regression for CAMA Modeling"(Along with J. Wayne Moore PhD) <br /> 2012-"Evaluating Vertical Inequity Detection Methods Using Simulated Data: Problems and Solutions" <br /> 2013-"Testing Geographic Attribute Weighted Regression (GAWR) and New Cost Models in Jefferson County, <br /> Kentucky" (Along with J. Wayne Moore PhD and Tony Lindauer) <br /> 2014-"Impact of Heterogeneity and Age on COD" <br /> 2015-"Improving Data Quality Using Statistical Analysis" <br /> 2017-"Vertical Equity Examined and Options Reviewed" (Panel along with Robert Denne, Alan Dornfest, Carmela <br /> Quintos PhD, and Mark Sunderman PhD) <br /> 2017-"Standard on Automated Valuation Models (AVM's)" (Panel along with August Dettbarn, Alan Dornfest, and Patrick <br /> O'Connor) <br /> 2018—"California Market Value Models—Challenges and Solutions" (Along with Christopher Gray, Aron Villanueva, and <br /> William Pleake) <br /> 2020—"AVM Showdown: A Performance Comparison of Today's Most Popular Modeling Techniques" (Along with Paul <br /> Bidanset) <br /> 2022-"Eight Mistakes to Avoid When Building Your Model Development Process" <br /> 2023-"How to Implement Regression Modeling in a Small Jurisdiction" (Along with Stephenie Love) <br /> 2025—"A Panel Discussion on Key Updates to the IAAO Standard on Ratio Studies" (Along with Russ <br /> Thimgan and Luc Hermans) <br /> 2025 — "From Audit to Action: Rebuilding Trust in Cook County's Commercial Valuation System" (Along with <br /> Jim Thompson) <br /> Virginia Association of Assessing Officers Annual Conference <br /> 2016- "Five Things You Probably Don't Know About Ratio Studies" <br /> 2022- "Assessing at Market Value in a Rapidly Increasing Market" <br /> 2023- "How to Implement Regression Modeling in a Small Jurisdiction" (Along with Stephenie Love) <br /> Virginia Association of Assessing Officers Educational Seminar <br /> 2013- "Statistical Observations on Mass Appraisal" <br /> 2024- "Eight Mistakes to Avoid when Designing your Model Development Process" <br />