missing data

18 posts
Visualizing Incomplete and Missing Data

We love complete and nicely formatted data. That's not what we get a lot of the time. Read More

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When data is not quite what it seems

FiveThirtyEight used a dataset on broadband as the basis for a couple of stories. The data appears to be flawed, which makes for a flawed analysis. From their post mortem: We should have been more careful in how we used the data to help guide where to report out our stories on inadequate internet, and we were reminded of an important lesson: that just because a data set comes from...

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Flawed hate crime data collection

Data can provide you with important information, but when the collection process is flawed, there’s not much you can do. Ken Schwencke, reporting for ProPublica, researched the tiered system that the FBI relies on to gather hate crime data for the United States: Under a federal law passed in 1990, the FBI is required to track and tabulate crimes in which there was “manifest evidence of prejudice” against a host...

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Showing missing data in line charts

Missing data is everywhere. Or, I guess technically it’s nowhere. You know what I mean. Missing data is common, especially with temporal data over long periods of time. Just look at country-level estimates for anything over ten years, and you’ll understand. Peter Beshai for Bocoup provides five solutions for line charts with missing data, using d3.js. Tags: d3js, missing data

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