Earlier this year, Neil Bedi, a reporter and developer on the Tampa Bay Times’ data and investigations team, produced “If You’re Black,” an interactive story exploring more than 800 officer-involved shootings that occurred in Florida between 2009 and 2014. The piece was part of a larger project named “Why Cops Shoot.” Bedi and his colleague…

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From the post: Creating a customized graph that communicates your ideas effectively can be challenging. This tutorial will introduce you to the popular R package ggplot2, its underlying grammar of graphics, and show you how to create stylish and simple graphs quickly. We will also go over some basic principles of data visualization. Read more…

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In the spring of 2013, I wrote two articles on the digital technologies that were changing the way we do history: one on blogging (Digital History: A Primer Part 1) and one on digitizing documents and images (Digital History: A Primer Part 2). I promised to write a third article on what I called “Digital…

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