missing data

8 posts
Untraced orphans in Ukraine since the war

Sarah Slobin and Joanna Plucinska, for Reuters, report on the challenges of counting and tracking thousands of orphans in Ukraine who were evacuated and relocated when Russia invaded: When Russia invaded on Feb. 24, there were more than 105,000 children in Ukraine’s network of more than 700 institutions – known as orphanages or ‘internats’ – either full-time or part-time. That’s just over 1% of the child population – the highest...

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✚ Looking at What’s Not There – The Process 140

Welcome to issue #140 of The Process, the newsletter for FlowingData members where we look closer at how charts are made. I’m Nathan Yau, and this week I’m curious about what you can glean from what you can’t see in the data. Become a member for access to this — plus tutorials, courses, and guides.

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People who answer “don’t know” to obvious questions

In survey data, there is usually an open-ended category for “not applicable” or “don’t know”. For Wired, Amit Katwala noticed an interesting subset of YouGov respondents who “didn’t know” to things they should probably know: But the thing that caught my eye when I came across the results on Twitter, and which quickly became an obsession, was the fourth option. Three per cent of Brits ‘don’t know’ whether they’ve tried...

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When bad data leads to a disappearing neighborhood

Caitlin Dewey for OneZero describes the case of the Fruit Belt neighborhood in Buffalo, New York, or “Medical Park” as it was incorrectly named in Google Maps: Lott learned that the issue had been festering for years, and she wanted answers. The 2,300 residents in the Fruit Belt didn’t refer to the community as “Medical Park,” but Google Maps had done so since the late 2000s. Community members argued the...

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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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