Since all the datasets are formatted the same way, they can easily be combined into one larger file.
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To download the datasets as CSV files, follow the link, click on each year, and click on “Export as CSV” in the top right corner.Ĭombine all datasets into one spreadsheet There are individual datasets tracking mass shootings for years 2013 through 2017, defining mass shootings as incidents where four or more people were shot and/or killed at the same general time and location, not including the shooter. To practice using Tableau’s visualization and filtering capabilities, let’s use the Gun Violence Archive’s shooting tracker datasets which track mass shootings in America. Filtering options are fairly simple to incorporate and extremely compelling. Tableau is an incredible tool to use for this purpose. So how can you make effective, interactive maps like these? And how can you make them even more interactive so readers can further explore the data for themselves and discover the stories that are most personal to them? Acquiring data From Slate’s 2016 “How many people have been shot in your neighborhood this year?” visualization mapping gun-related injuries and homicides, to the Gun Violence Archive’s yearly maps of mass shootings in America, these visualizations tell a chilling tale of where gun violence is most prevalent in the nation. A number of publications and organizations have created impressive interactive visualizations pertaining to gun violence in America.
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