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Bayes Pharma 2013 (3)

May 22, 2013
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Another very interesting day. The highlight of the morning was, in my opinion, David Ohlssen's talk. David is with Novartis US and has discussed a few issues related with subgroup analysis, pointing out the potential strengths of applying a Bayesian ap...

Bayes Pharma 2013 (2)

May 21, 2013
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The first day of the conference was quite good, I thought. I was pleased with the audience's response to my talk and also the other talks were quite good. The level is even higher than last year. There are about 75 people attending (which is ...

Bayes Pharma 2013 (1)

May 20, 2013
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Earlier today, I've arrived in Rotterdam for the Bayes Pharma conference. As I already said in a previous post, I think we have quite an exciting line up. In fact, I think that the finalised programme is packed with interesting talks!My first impressio...

Mayo: Meanderings on the Onto-Methodology Conference

May 20, 2013
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Writing a blog like this, a strange and often puzzling exercise[1], does offer a forum for sharing half-baked chicken-scratchings from the back of frayed pages on themes from our Onto-Meth[2] conference from two weeks ago[3]. (The previous post had notes from blogger and attendee, Gandenberger.) Several of the talks reflect a push-back against the idea that […]

Playing cards in Vegas?

May 20, 2013
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In a previous post, a few weeks ago, I mentioned that I will be in Las Vegas by the end of July. And I took the opportunity to write a post on roulette(s). Since some colleagues told me I should take some time to play poker there, I guess I have to understand how to play poker… so I went back to basics on cards, and shuffling techniques. Now, I…

Pedagogical Content Knowledge

May 19, 2013
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Pedagogical content knowledge for Statistics Pedagogical content knowledge means knowing how to teach a specific subject, discipline or context. There is a school of thought that the skill of teaching is transferable between subjects, so long as the teacher knows … Continue reading →

Numerical optimizers for Logistic Regression

May 19, 2013
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Following a challenge proposed by Gael to my group I compared several implementations of Logistic Regression. The task was to implement a Logistic Regression model using standard optimization tools from scipy.optimize and compare them against state of ...

May 18, 2013
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$STEIN’S PARADOX$

STEIN’S PARADOX Something that is well known in the statistics world but perhaps less well known in the machine learning world is Stein’s paradox. When I was growing up, people used to say: do you remember where you were when you heard that JFK died? (I was three, so I don’t remember. My first memory […]

The Future of Non Probability Sampling

May 17, 2013
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While attending the American Association for Public Opinion Research conference in Boston, MA the topic of non-probability samples was something of a reoccurring theme. I attended the task force panel review on the topic. However, there is currently no commonly accepted solution. It was about one year ago that Pew reported (Pew report) that their [...]

IJF quality indicators

May 17, 2013
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I often receive email asking about IJF quality indicators. Here is one I received today. Dear Professor Hyndman, I recently had a paper published in IJF entitled, “xxxxxxxxxxxx”. I am very pleased with the publication and consider IJF to be an excellent outlet for my work in time-series econometrics. I have an unusual request, but I hope you will consider responding. My research is judged by non-economists and IJF is…