Posts

April 10, 2015

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7:18 PM | https://quomodocumque.wordpress.com/2015/04/10/4902/
From the NYRB: In 2009, police in Long Branch, New Jersey, were alerted to the presence of an “eccentric-looking old man” wandering around a residential neighborhood in the rain and peering into the windows of a house marked with a “for sale” sign. When the police arrived, the man introduced himself as Bob Dylan. He […]
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1:55 PM | Mistaken identity
Someone I know sent me the following email: The person XX [pseudonym redacted] who posts on your blog is almost certainly YY [name redacted]. So he is referencing his own work and trying to make it sound like it is a third party endorsing it. Not sure why but it bugs me. He is an […] The post Mistaken identity appeared first on Statistical Modeling, Causal Inference, and Social Science.
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1:15 PM | from my office
Filed under: pictures, Travel, University life Tagged: bois de Boulogne, Fondation Louis Vuiton, La Défense, Paris, Université Paris Dauphine
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12:23 PM | Cricket averages: what do you mean?
Easter has always seemed a nothing sort of a holiday to me. Partly it’s because I never know when it will be (I would vote for a party that pledged to standardise Easter, but that’s another matter…) There is - of course - an R function, timeDate::Easter(), but Easter’s date will never be ingrained in the way that Christmas is, and thus anticipation will never build to the same extent. There’s not much to look forward too, either. Don’t get me... Read […]
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10:37 AM | Aristotle's definition of the syllogism -- a dialogical interpretation
By Catarina Dutilh Novaes(Cross-posted at NewAPPS)(I am currently finishing a paper on the definition of the syllogism according to Aristotle, Ockham, and Buridan. I post below the section where I present a dialogical interpretation of Aristotle's definition.)Aristotle’s definition of ‘syllogismos’ in APri 24b18-22 is among one of the most commented-upon passages of the Aristotelian corpus, by ancient as well as (Arabic and Latin) medieval commentators. He offers very similar […]
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10:13 AM | Burocrazia e ricerca in Italia
Le due vignette qui sopra sono di Danilo Maramotti a corredo dell'articolo Il burocrate e il giovane ricercatore di Marco Esposito pubblicato sul numero di aprile 2015 di linus, quello che festeggia il 50.mo compleanno della rivista. L'articolo di Esposito riassume la vicenda complessa e malamente gestita dalle istituzioni politiche ma anche accademiche dei SIR, bandi che avrebbero dovuto permettere dei finanziamenti più semplici della ricerca, soprattutto saltando il filtro dei vertici […]
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6:16 AM | The ergodic theorem and Gowers-Host-Kra seminorms without separability or amenability
The von Neumann ergodic theorem (the Hilbert space version of the mean ergodic theorem) asserts that if is a unitary operator on a Hilbert space , and is a vector in that Hilbert space, then one has in the strong topology, where is the -invariant subspace of , and is the orthogonal projection to . […]

April 09, 2015

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10:15 PM | statistical modelling of citation exchange between statistics journals
Cristiano Varin, Manuela Carrelan and David Firth (Warwick) have written a paper on the statistical analysis of citations and index factors, paper that is going to be Read at the Royal Statistical Society next May the 13th. And hence is completely open to contributed discussions. Now, I have written several entries on the ‘Og about […]
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4:03 PM | Why not statistics
Jordan Ellenberg’s parents were both statisticians. In his interview with Strongly Connected Components Jordan explains why he went into mathematics rather than statistics. I tried. I tried to learn some statistics actually when I was younger and it’s a beautiful subject. But at the time I think I found the shakiness of the philosophical underpinnings […]
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1:46 PM | New research in tuberculosis mapping and control
Mapping and control. Or, as we would say, descriptive and causal inference. Jon Zelner informs os about two ongoing research projects: 1. TB Hotspot Mapping: Over the summer, I [Zelner] put together a really simple R package to do non-parametric disease mapping using the distance-based mapping approach developed by Caroline Jeffery and Al Ozonoff at […] The post New research in tuberculosis mapping and control appeared first on Statistical Modeling, Causal Inference, and Social Science.
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12:18 PM | Le Louvre snapshot
Filed under: pictures, Travel Tagged: arcade, lamp, Le Louvre, Paris, Rue de Rivoli
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11:08 AM | The achievement gap: whose problem is it?
On Monday night I went to see Boston College professor Henry Braun speak about the Value-Added Model for teachers (VAM) at Teachers College, right here in my hood (hat tip Sendhil Revuluri). I wrote about VAM recently, and I’m not a fan, so I was excited for the event. Here’s the poster from Monday:   The […]
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7:15 AM | Educazione libertaria
sulla #scuola libertaria via @A_rivista_anarc Su "A" #396 è uscito un bell'articolo di Maurizio Giannangeli sulle scuole libertarie, su cui avevo scritto tempo fa. Da quell'articolo estraggo un passaggio interessante che racconta cosa è l'educazione libertaria, che scopro di aver portato avanti con grande naturalezza o ottimi risultati, almeno nelle scuole (intese come presidi, vicepresidi e colleghi innanzitutto, e studenti in seconda battuta) dove era presente un ambiente adatto […]

April 08, 2015

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10:15 PM | comparison of Bayesian predictive methods for model selection
“Dupuis and Robert (2003) proposed choosing the simplest model with enough explanatory power, for example 90%, but did not discuss the effect of this threshold for the predictive performance of the selected models. We note that, in general, the relative explanatory power is an unreliable indicator of the predictive performance of the submodel,” Juho Piironen […]
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7:43 PM | Reading for Pleasure
A couple of weeks ago a friend of mine suggested me a book to read in my free time. She wasn’t sure I will like the subject of it, but she told me I would totally like the conversations and some of the characters. She was right!! ^_^ The book is The Fault in Our […]
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5:01 PM | meet the president [of Tunisia]
My trip to work was somewhat more eventful than usual this morning: as the queue to switch to the A train was too long for my taste, I exited the Chatelet station to grab a Vélib rental bike near Le Louvre and followed the Louvre palace for a few hundred meters, until reaching a police […]
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4:25 PM | Matematici al lavoro: Alla ricerca del massimo e del minimo
#matematica a #Roma via @maddmathsSegnalatomi da Roberto Natalini, a mia volta vi segnalo il primo incontro della serie Matematici al lavoro, ovvero Alla ricerca del massimo e del minimo con Piermarco Cannarsa e Adriana Garroni (conduce Luigi Civalleri) che si terrà il 9 aprile (domani) alle 18:30 a Roma presso il Palazzo delle Esposizioni nella Sala Cinema (scalinata di via Milano 9a).Il ciclo di incontri si svolge come evento parallelo e di supporto alla mostra Numeri. Tutto quello che […]
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1:37 PM | How can teachers of (large) online classes use text data from online learners?
Dustin Tingley sends along a recent paper (coauthored with Justin Reich, Jetson Leder-Luis, Margaret Roberts, and Brandon Stewart), which begins: Dealing with the vast quantities of text that students generate in a Massive Open Online Course (MOOC) is a daunting challenge. Computational tools are needed to help instructional teams uncover themes and patterns as MOOC […] The post How can teachers of (large) online classes use text data from online learners? appeared first on Statistical […]

April 07, 2015

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10:15 PM | an email exchange about integral representations
I had an interesting email exchange [or rather exchange of emails] with a (German) reader of Introducing Monte Carlo Methods with R in the past days, as he had difficulties with the validation of the accept-reject algorithm via the integral in that it took me several iterations [as shown in the above] to realise the […]
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9:58 PM | The complete Brian the brain
A quanto pare Miguel Angel Martin è uno di quegli autori particolari per tematiche e approccio. Censurato in patria e ancora di più in Italia per Psico Pathia Sexualis, con Brian the brain entra a piedi uniti nel mondo della sanità, delle bio- e nano-tecnologie, delle cavie umane. A questi temi, già di per se difficili, si aggiunge anche l'altrettanto delicato compito di scrivere sulla diversità. Il protagonista, Brian, è un ragazzino senza calotta […]
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7:02 PM | Comparison of Bayesian predictive methods for model selection
This post is by Aki We mention the problem of bias induced by model selection in A survey of Bayesian predictive methods for model assessment, selection and comparison, in Understanding predictive information criteria for Bayesian models, and in BDA3 Chapter 7, but we haven’t had a good answer how to avoid that problem (except by […] The post Comparison of Bayesian predictive methods for model selection appeared first on Statistical Modeling, Causal Inference, and Social Science.
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4:34 PM | Outside pissing in
Coral Davenport writes in the New York Times: Mr. Tribe, 73, has been retained to represent Peabody Energy, the nation’s largest coal company, in its legal quest to block an Environmental Protection Agency regulation that would cut carbon dioxide emissions from the nation’s coal-fired power plants . . . Mr. Tribe likened the climate change […] The post Outside pissing in appeared first on Statistical Modeling, Causal Inference, and Social Science.
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1:06 PM | And . . . our featured 2015 seminar speaker is . . . Thomas HOBBES!!!!!
Just in case you’ve forgotten where this all came from: This came in the departmental email awhile ago: CALL FOR APPLICATIONS: LATOUR SEMINAR — DUE DATE AUGUST 11 (extended) The Brown Institute for Media Innovation, Alliance (Columbia University, École Polytechnique, Sciences Po, and Panthéon-Sorbonne University), The Center for Science and Society, and The Faculty of […] The post And . . . our featured 2015 seminar speaker is . . . Thomas HOBBES!!!!! appeared […]
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1:03 PM | Everyone hates college administrators
If you were wondering why I didn’t blog yesterday, which you probably weren’t (confession: I don’t read other peoples’ blogs and I don’t listen to any podcasts. So I would never, ever ask anyone to read my blog or listen to my podcast), it was because I was completely confused and irritated by this NYTimes […]
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11:04 AM | Another reason we don’t apply the 80-20 rule
I’ve written about the 80-20 rule several times because it keeps coming up. I’d like to believe that each time I revisit it I understand it a little better. In its simplest form the 80-20 rule says 80% of your outputs come from 20% of your inputs. You might find that 80% of your revenue comes from 20% of […]
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4:17 AM | Information and Entropy in Biological Systems
You can join a workshop on entropy and information in biological systems, virtually, by watching the streaming video.

April 06, 2015

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11:21 PM | Endorsements
I’ve added a page for endorsements to my site. Thanks to everyone who let me use their photo and quote. If you’d like to contribute an endorsement, please contact me.
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10:15 PM | scalable Bayesian inference for the inverse temperature of a hidden Potts model
Matt Moores, Tony Pettitt, and Kerrie Mengersen arXived a paper yesterday comparing different computational approaches to the processing of hidden Potts models and of the intractable normalising constant in the Potts model. This is a very interesting paper, first because it provides a comprehensive survey of the main methods used in handling this annoying normalising […]
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4:07 PM | Magicians vs Repairmen
From The World Beyond Your Head: The appeal of magic is that it promises to render objects plastic to the will without one’s getting too entangled with them. Treated at arm’s length, the object can issue no challenge to the self. … The clearest contrast … that I can think of is the repairman, who […]
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4:00 PM | The championship! Thomas Hobbes vs. Philip K. Dick
OK, since this is the final round, you’re allowed to make as many Calvin and Hobbes jokes and as many dick jokes as you want. These two guys have been through a lot together. To get here, Hobbes defeated, in order, Larry David, Leo Tolstoy, Chris Rock, Ed Wood, and Miguel de Cervantes; while Dick […] The post The championship! Thomas Hobbes vs. Philip K. Dick appeared first on Statistical Modeling, Causal Inference, and Social Science.
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