File:1982- Deaths from mass shootings in the U.S - scatterplot and line chart.svg

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Summary

Description
English: Chart showing deaths from mass shootings in the U.S., including 5-year moving average, beginning in 1982
  • Data source: Follman, Mark; Aronsen, Gavin; Pan, Deanna. US Mass Shootings, 1982–2023: Data From Mother Jones’ Investigation. Mother Jones. Archived from the original on March 31, 2023. Retrieved on March 31, 2023.
  • Inclusion criteria for MotherJones.com database: Follman, Mark; Aronsen, Gavin; Pan, Deanna. A Guide to Mass Shootings in America. MotherJones.com (2012). Archived from the original on March 10, 2023. "Updated March 27, 2023": "In July 2012, in the aftermath of the movie theater massacre in Aurora, Colorado, Mother Jones created a first-of-its-kind open-source database documenting mass shootings in the United States. Our research focused on indiscriminate rampages in public places resulting in four or more victims killed by the attacker. We exclude shootings stemming from more conventionally motivated crimes such as armed robbery or gang violence. (Or in which the perpetrators have not been identified.) Other news outlets and researchers have since published larger tallies that include a wide range of gun crimes in which four or more people have been either wounded or killed. While those larger datasets of multiple-victim shootings are useful for studying the broader problem of gun violence, our investigation provides an in-depth look at a distinct phenomenon—from the firearms used and mental health factors to the growing copycat problem. Tracking mass shootings is complex; we believe ours is the most useful approach for studying this specific phenomenon."
  • Data source is continually updated. Because 2023 was not ended, I (uploader) omitted 2023 numbers from Version 1 (31 March 2023).
  • Technical note: Most SVG code for this graphic were automatically generated using the "Line charts" and "Scatterplots" spreadsheets linked at User:RCraig09/Excel to XML for SVG. Changes were made manually in a text editor.
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Captions

Chart showing deaths from mass shootings in the U.S., including 5-year moving average, beginning in 1982

Items portrayed in this file

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mass shooting in the United States

inception

31 March 2023

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image/svg+xml

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77e5dc1d7e1fc47ce2bb8bda8df1dd2d1bfdfdfb

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4,469 byte

height

750 pixel

width

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Date/TimeThumbnailDimensionsUserComment
current04:47, 4 April 2023Thumbnail for version as of 04:47, 4 April 20231,000 × 750 (4 KB)RCraig09Version 3: add to legend
03:46, 2 April 2023Thumbnail for version as of 03:46, 2 April 20231,000 × 750 (4 KB)RCraig09Version 2: reduce thickness of line trace to be less dominant (compatible with related charts)
21:43, 31 March 2023Thumbnail for version as of 21:43, 31 March 20231,000 × 750 (4 KB)RCraig09Uploaded own work with UploadWizard

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