May 2018
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Please refrain from making unconstructive edits to Wikipedia, as you did at Linear regression. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Count Count (talk) 18:13, 22 May 2018 (UTC)
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November 2018
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Hello, I'm Shellwood. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Swedish emigration to the United States— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Thanks. Shellwood (talk) 19:38, 13 November 2018 (UTC)
January 2020
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This is your only warning; if you vandalize Wikipedia again, as you did at Talk:Wright brothers, you may be blocked from editing without further notice. - FlightTime (open channel) 19:02, 16 January 2020 (UTC)
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