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Simon Rogers

Data journalist, writer, speaker. Author of 'Facts are Sacred', from Faber & Faber and a new range of infographics for children books from Candlewick. Edited and launched the Guardian Datablog. Now works for Twitter in San Francisco as Data Editor
Simon Rogers has written 43 posts for Simon Rogers

If devolution killed national data, what would Scottish independence do?

The quality of government data is quite possible the last thing on most voters’ minds when Scotland decides whether to leave the UK this Thursday. But, believe it or not, it matters. I wrote this piece back at the Guardian on devolution and open government data. An independent Scotland would probably be the ned of … Continue reading

What data journalism told us about #Ferguson

Data journalism in 2014 has taken a shift towards instant reporting: today it is about applying analysis and discovering data around events in the news as soon as they happen. It’s been a week since the police shooting of unarmed Michael Brown in Ferguson, Missouri, what have we learned from data journalists about the events and issues behind … Continue reading

Twitter Reverb: how we made a new #dataviz tool

Anybody who tells you that working with big data is straightforward is probably lying. Often, what you’re trying to do is to filter it down, make it simpler and easier to deal with. Twitter data is no exception—there are more than 500 million tweets sent every day and if you’re “non-eng” (not an engineer), that is … Continue reading

Saving the oceans: with data

Do you know how big the giant ‘garbage patch’ floating in the Pacific is? The floating ocean of trash and sludge may be a phenomenon of our treatment of the oceans but nobody really knows how big it is — with estimates ranging from 270,000 square miles to 5.8 million. Or even”the size of Texas“. The … Continue reading

Data journalism needs to go mobile

Why? Well, it depends if you actually want anyone to see it. It’s been happening for a while but really matters today as smart phones become ever more ubiquitous  — now over 65% of the US market — and more and more people now access the web with their phones. But what does that mean … Continue reading

Introduction to data journalism

This has been the first week of the free data journalism MOOC, with more of the course still to come over the next few weeks. This is the text of the first part of my module. It’s not too late to sign up for the rest of the course when the real detail of learning … Continue reading

Data journalism: learn how to do it for free

Doing Journalism with Data: First Steps, Skills and Tools – Teaser from European Journalism Centre on Vimeo. There’s still time to enroll for the free five-module basic data journalism MOOC (massive open online course). Thousands have already signed up — but this is all about making data journalism accessible to all. So if you’ve been … Continue reading

Data journalism only matters when it’s transparent

  When it comes to data journalism, everyone’s a critic. The launch of three major data journalism operations in only a few weeks—the revamped538, Vox, and the New York Times‘ The Upshot—have produced a slew of opinion pieces. They are summarized quite nicely in this piece by Guardian journalist James Ball, but the one critique that sticks with me the most is … Continue reading

Gallery: taking #dataviz beyond infinity

If you were in downtown San Francisco recently, you may have seen a blue box in the middle of the street (yes, it was Tardis blue), next to the Embarcadero centre. Inside was a data visualisation conceived and created by Roundhouse in collaboration with Universal Everything. “Data visualisation” is underselling it. I got to work on the data part of … Continue reading

How to make an animated map with CartoDB and Torque

If you want to make an animated map (and you’re not a coder), there are not  a lot of options out there. CartoDB is the best. You can use it to make rather gorgeous choropleths but it excels at mapping large numbers of points. That makes it perfect for mapping Tweets — and I used … Continue reading

About me

Data journalist, writer, speaker. Author of 'Facts are Sacred', published by Faber & Faber and a new range of infographics for children books from Candlewick. Data editor at Twitter, San Francisco. Created the Guardian Datablog. All opinions on this site are mine, not my employers'. Read more >>

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