Category Archives: Statistics

But Shouldn’t That Work Against Me?

Low power and low prior beliefs make it harder to obtain a positive estimate, but conditional upon obtaining a positive estimate, it’s more likely that we’ve obtained a false positive. So let’s dispense with the work-against-me defense. Continue reading

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The Alternative Specification of Interaction Models With a Discrete Modifying Variable

Benjamin Ferland¹ Since Brambor, Clark and Golder’s (2006) article in Political Analysis (hereafter BCG), our understanding of interaction models has improved significantly and most empirical scholars have now integrated the tools to execute and interpret interaction models properly. In particular, one … Continue reading

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Pitfalls when Estimating Treatment Effects Using Clustered Data

James G. MacKinnon, Department of Economics, Queen’s University1 Matthew D. Webb, Department of Economics, Carleton University Extended Abstract There is a large and rapidly growing literature on inference with clustered data, that is, data where the disturbances (error terms) are … Continue reading

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Understanding Equation Balance in Time Series Regression

Peter K. Enns and Christopher Wlezien Abstract: Most contributors to a recent Political Analysis symposium on time series anal­ysis suggest that in order to maintain equation balance, one cannot combine stationary, integrated, and/or fractionally integrated variables with general error correction … Continue reading

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Visualize Dynamic Simulations of Autoregressive Relationships in R

by: Christopher Gandrud, Laron K. Williams, and Guy D. Whitten Two recent trends in the social sciences have drastically improved the interpretation of statistical models. The first trend is researchers providing substantively meaningful quantities of interest when interpreting models rather … Continue reading

Posted in Software, Statistics, Uncategorized | 1 Comment

NAS Workshop: Statistical Challenges in Assessing and Fostering the Reproducibility of Scientific Results

On February 26-27, the National Research Council of the National Academies is hosting a workshop of the Committee on Applied and Theoretical Statistics titled “Statistical Challenges in Assessing and Fostering the Reproducibility of Scientific Results.” The workshop will include presentations and … Continue reading

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Propose to present in the International Methods Colloquium series!

Today, I’m pleased to announce that the International Methods Colloquium (IMC) is seeking presenters to fill its inaugural AY 2014/2015 schedule! I believe that the IMC provides a great opportunity for presenters to get their work out to a very large, very … Continue reading

Posted in Call for Papers / Conference, Statistics | 1 Comment