Analysis of the accuracy of U.S. presidential election polls (2008–2024) based on prediction error data. Compares ideal vs. practical polling methodology, presents three contrasting visualizations of the same dataset to illustrate framing effects, and identifies selection/measurement biases with recommendations to improve accuracy.
ggplot2 data-visualization political-science us-elections data-sampling sampling-bias election-poll survey-methodology measurement-bias data-shooter data-viz-ethics
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Updated
Aug 29, 2026 - R