Author Archives: Roger Peng

This is how an important scientific debate is being used to stop EPA regulation

Environmental regulation in the United States has protected human health for over 40 years. Since the Clean Air Act was enacted in 1970, levels of outdoor air pollution have dropped dramatically, changing the landscape of once heavily-polluted cities like Los … Continue reading

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ENAR is in Baltimore - Here's What To Do

This year's meeting of the Eastern North American Region of the International Biometric Society (ENAR) is in lovely Baltimore, Maryland. As local residents Jeff and I thought we'd put down a few suggestions for what to do during your stay … Continue reading

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Data Science is Hard, But So is Talking

Jeff, Brian, and I had to record nine separate introductory videos for our Data Science Specialization and, well, some of us were better at it than others. It takes a bit of practice to read effectively from a teleprompter, something … Continue reading

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Here's why the scientific publishing system can never be "fixed"

There's been much discussion recently about how the scientific publishing system is "broken". Just the latest one that I saw was a tweet from Princeton biophysicist Josh Shaevitz: Editor at a ‘fancy’ journal to my postdoc “This is amazing work … Continue reading

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Why do we love R so much?

When Jeff, Brian, and I started the Johns Hopkins Data Science Specialization we decided early on to organize the program around using R. Why? Because we love R, we use it everyday, and it has an incredible community of developers … Continue reading

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My Online Course Development Workflow

One of the nice things about developing 9 new courses for the JHU Data Science Specialization in a short period of time is that you get to learn all kinds of cool and interesting tools. One of the ways that we … Continue reading

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Announcing the Release of swirl 2.0

Editor's note: This post was written by Nick Carchedi, a Master's degree student in the Department of Biostatistics at Johns Hopkins. He is working with us to develop the Data Science Specialization as well as software for interactive learning of … Continue reading

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The Supreme Court takes on Pollution Source Apportionment...and Realizes It's Hard

Recently, the U.S. Supreme Court heard arguments in the cases EPA v. EME Homer City Generation and American Lung Association v EME Homer City Generation. SCOTUSblog has a nice summary of the legal arguments, for the law buffs out there. The basic problem is … Continue reading

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Simply Statistics Interview with Michael Eisen, Co-Founder of the Public Library of Science (Part 2/2)

Here is Part 2 of our Jeff's and my interview with Michael Eisen, Co-Founder of the Public Library of Science.

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Simply Statistics Interview with Michael Eisen, Co-Founder of the Public Library of Science (Part 1/2)

Jeff and I had a chance to interview Michael Eisen, a co-founder of the Public Library of Science, HHMI Investigator, and a Professor at UC Berkeley. We talked with him about publishing in open access and how young investigators might publish … Continue reading

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