The Institute for Social and Economic Research and Policy is now open.  Our office hours are from: 9:00am - 5:00pm, Monday - Friday. Please refer to the COVID-19 Resource Guide for all matters related to the return to campus.  All visitors and vendors must fill out the Columbia University Health Screening Form.  We look forward to seeing you on campus.

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Jonah Gabry

Staff Associate

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Jonah is a member of the Stan core development team and a researcher in statistics working with Andrew Gelman on methods and software for Bayesian data analysis. He is co-author of the rstan and rstanarm R packages, which provide interfaces to Stan, as well as author and maintainer of the shinystan and bayesplot packages for model visualization, and the loo R package for model comparison. Jonah is also affiliated with the Columbia Population Research Center, where he advises on statistical issues related to collection and analysis of survey data. 

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