Josh Errickson

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Josh has academic degrees in both Statistics and Computer Science, with deep experience in statistical methodology and use of statistical software. His areas of interest include causal inference, propensity score matching, multiple regression diagnosis, structural equation modeling, software implementation and general computing concerns.

Shyamala Nagaraj

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Shyamala has many years of experience with study design and statistical analysis, with a focus on time series analysis, design of experiments, and regression modeling. She has worked in a variety of disciplines, especially in the social sciences.

Michael Clark

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Michael has modeling and consulting experience across varied domains, including social and physical sciences, business, and humanities. He has particular expertise in mixed models, additive models, latent variable models, text analysis, structural equations modeling, machine learning techniques, Bayesian inference, reproducible research practices, data visualization, and efficient programming practices.

For more about Michael, visit