Posts Tagged ‘ Travel ’

love-hate Metropolis algorithm

January 27, 2016
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love-hate Metropolis algorithm

Hyungsuk Tak, Xiao-Li Meng and David van Dyk just arXived a paper on a multiple choice proposal in Metropolis-Hastings algorithms towards dealing with multimodal targets. Called “A repulsive-attractive Metropolis algorithm for multimodality” [although I wonder why XXL did not jump at the opportunity to use the “love-hate” denomination!]. The proposal distribution includes a [forced] downward […]

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R typos

January 26, 2016
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R typos

At MCMskv, Alexander Ly (from Amsterdam) pointed out to me some R programming mistakes I made in the introduction to Metropolis-Hastings algorithms I wrote a few months ago for the Wiley on-line encyclopedia! While the outcome (Monte Carlo posterior) of the corrected version is moderately changed this is nonetheless embarrassing! The example (if not the […]

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MCqMC 2016

January 18, 2016
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MCqMC 2016

After the MCqMC 2014 conference in Leuven I enjoyed very much, the MCqMC 2016 instalment takes place in Stanford this (late) summer. I cannot alas attend it, as I will be in Australia all summer winter, but the program looks terrific! As Art’s tutorial so brilliantly showed at MCMskv last week, the connections between the […]

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MCMskv #5 [future with a view]

January 11, 2016
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MCMskv #5 [future with a view]

As I am flying back to Paris (with an afternoon committee meeting in München in-between), I am reminiscing on the superlative scientific quality of this MCMski meeting, on the novel directions in computational Bayesian statistics exhibited therein, and on the potential settings for the next meeting. If any. First, as hopefully obvious from my previous […]

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Know your data 17: when other people can track your Uber location

January 8, 2016
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The news is out that Uber got fined by the New York Attorney General's office for data breaches and privacy concerns. The headline writer for ZDNet nailed this one: "Uber fined peanuts in God View surveillance" (link). And the sub-lead has the kicker: "For a company with a valuation of over $50 billion, a $20,000 fine over user data protection is laughable." This settlement tells us one of the following…

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MCMskv #2 [ridge with a view]

January 6, 2016
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MCMskv #2 [ridge with a view]

Tuesday at MCMSkv was a rather tense day for me, from having to plan the whole day “away from home” [8km away] to the mundane worry of renting ski equipment and getting to the ski runs over the noon break, to giving a poster over our new mixture paper with Kaniav Kamary and Kate Lee, […]

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When in Seattle, don’t look for the bus map

August 19, 2015
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When in Seattle, don’t look for the bus map

The past week in Seattle, I was blessed with amazing weather. The city has great coffee and restaurants, so pleased me alright. But Seattle-ites, please tell your government to burn your transit map presto! I tried looking at the map...

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Seattle histogram

August 16, 2015
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Seattle histogram

Filed under: pictures, R, Statistics, Travel Tagged: histogram, sculpture, Seattle, Washington Convention Center

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JSM 2015 [day #2]

August 11, 2015
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JSM 2015 [day #2]

Today, at JSM 2015, in Seattle, I attended several Bayesian sessions, having sadly missed the Dennis Lindley memorial session yesterday, as it clashed with my own session. In the morning sessions on Bayesian model choice, David Rossell (Warwick) defended non-local priors à la Johnson (& Rossell) as having better frequentist properties. Although I appreciate the concept […]

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JSM 2015 [day #2]

August 11, 2015
By
JSM 2015 [day #2]

Today, at JSM 2015, in Seattle, I attended several Bayesian sessions, having sadly missed the Dennis Lindley memorial session yesterday, as it clashed with my own session. In the morning sessions on Bayesian model choice, David Rossell (Warwick) defended non-local priors à la Johnson (& Rossell) as having better frequentist properties. Although I appreciate the concept […]

Read more »


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