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R has become one of the world’s leading languages for statistical and data analysis. While the base R installation does support simple visualizations, its plots are rarely of high-enough quality for publication. Enter Hadley Wickam’s ggplot2, an aesthetically and logical approach to data visualization. In this short report, we introduce its graphic grammar elements, and present a number of examples.

Data Science Report Series #5: A ggplot2 Primer, by Ehssan Ghashim and Patrick Boily.

Post Author: Patrick Boily

Patrick is interested in the applications of mathematics and statistcs to evidence-based decision support. He has worked on 25+ such projects since 2008. He has extensive experience in data science, machine learning, A.I. and predictive analytics, data cleaning and data visualization.