When you analyze data, there are times when a trend, pattern, or outlier jumps out and smacks you in the face. Or, you might calculate results that seem surprising. Maybe they’re real, but maybe not.
error
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Does the data make sense?
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Mistaken Error
That can’t be for real, right? Right? A basic chart is not quite what it seems.
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Editing Carefully and That White House Bar Chart with the Weird y-axis – The Process 175
The White House posted a chart with a messed up y-axis. Intentional or no?
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Data problems in Iowa caucus results
It wasn’t just issues with an app. There appears to be many more…
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Millions of dollars in tax breaks — because of a mapping error
A small discrepancy in a couple of shapefiles led to a misclassification of…