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This page introduces the tutorials of using Tableau for data visualization tasks. There are four tutorial videos as follows: Introduction to TableauFirst video includes (Introduction… Read More »Tableau Tutorial

IntroductionShopping malls, restaurants, factories and offices around the United States are closed and 30 million citizens have filed for unemployment to date. Many are either… Read More »Who is Suffering Economically from COVID-19?

Introduction The study of American national identity has taken on renewed relevance with the election of President Donald Trump. The president’s surprise win in 2016… Read More »American National Identity and Attitudes Towards President Trump

Overview of Findings In this post, we investigate whether or not responses to the Grinnell College National Poll (GCNP) are affected by the interviewer conducting… Read More »Measuring Interviewer Effects in the November 2018 Grinnell Poll

The Democratic and Republican parties are sometimes thought of as mirror images of each other on the right and left, but the coalitions of voters… Read More »The Demographic Profiles of Democrats and Republicans