Author Archives: Roger Peng
Here's a little thought experiment for your weekend pleasure. Consider the following: Joe Scientist decides to conduct a study (call it Study A) to test the hypothesis that a parameter D > 0 vs. the null hypothesis that D = 0. He … Continue reading
Watch Monday, April 29, 2013 on PBS. See more from Direct Connection. I appeared on Maryland Public Television's Direct Connection with Jeff Salkin last Monday to talk about MOOCs (along with our Dean Mike Klag).
Nature has jumped on to the reproducibility bandwagon and has announced a new approach to improving reproducibility of submitted papers. The new effort is focused primarily and methodology, including statistics, and in making sure that it is clear what an … Continue reading
One element about the entire discussion about reproducible research that I haven't seen talked about very much is the potential for the lack of reciprocity. I think even if scientists were not concerned about the possibility of getting scooped by … Continue reading
Interview with Roger Peng from YCELP on Vimeo. A few weeks ago I sat down with Angel Hsu of the Yale Center for Environmental Law and Policy to talk about some of their work on air pollution indicators. (Note: I … Continue reading
There's an interesting parallel between the Nevins-Potti debacle (a true debacle, in my mind) and the recent Reinhart-Rogoff kerfuffle. Both were exposed via some essentially small detail that had nothing to do with the real problem. In the case of … Continue reading
Jeff and I talk about the recent Reinhart-Rogoff reproducibility kerfuffle and how it turns out that data analysis is really hard no matter how big the dataset.
I'm seeing lots of traffic on a big-time economics article by that failed to reproduce and here are my quick thoughts. You can read a pretty good summary here by Mike Konczal. Quick background: Carmen Reinhart and Kenneth Rogoff wrote … Continue reading
A few weeks ago I participated in the fourth annual Climate Science Day organized by the ASA and a host of other professional and scientific societies. There's a nice write up of the event written by Steve Pierson over at … Continue reading
Jeff and I talk about Jeff's recently completed MOOC on Data Analysis.