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Category Archives: Statistics
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
Posted in Statistics
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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
Posted in Replication, Statistics
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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
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
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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
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
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What does a failed replication really mean? (or, One cheer for Jason Mitchell)
A few weeks ago, Jason Mitchell wrote a piece entitled “On the emptiness of failed replications.” Mitchell is a professor in Harvard University’s department of Psychology studying “the cognitive processes that support inferences about the psychological states of other people … Continue reading
Posted in Replication, Statistics, The Discipline
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