Saturday, December 8 2012
By arthur charpentier on Saturday, December 8 2012, 16:06
Still interesting posts, here and there, on the internet,
"The
Problem With Math Is That It Makes People Seem Smart" via
"Parent
first, lecturer second: what I've learned from being both" by
"Despite
the evidence of fraudulent schemes, no firm has ever been disciplined
by any professional accountancy body" on
"the predatory
practices of major accountancy firms "
"Tax
the Traders! It Would Solve Economic Crisis and Stop Reckless Trading" by
on cross-disciplinary
citation patterns
"Climate
Science Predictions Prove Too Conservative", by Glenn Scherer
"Men
are pervs, women are gold diggers"
"Let
bad banks pay for financial literacy" via
"Scientific
consensus shifts public opinion on climate change"
"For
Second Opinion, Consult a Computer?"
"Saving
Economics from the Economists"
"Does
Academic Research Destroy Stock Return Predictability?" (talk next week at )
"Outta
control political incorrectness" (still on the “Man and the
Economy” journal story) by
(in
the U.S.) "Top 1% are 288 times richer than you!"
"Americans’
life spans has reversed itself for white people who lack high school
diplomas"
"opinions" via
"The
Debtor Prisoner’s Dilemma"
"Rich
People Still Don’t Realize They’re Rich"
"Referee
Recommendations" "typical referee
report consists roughly of one part signal and two parts noise "
"Changing
colours and legends in lattice plots" on Markus's great blog
"The
population conundrum" by Norma Cohen via
nice
discussion on by on a paper mentioned a few
weeks ago on "regression and causation"
"Business
as usual in judging the worth of a researcher?" "Modern science is all
about evaluation these days...."
"graduate
students and networking"
"How
to make NYT-style bar charts with R"
via
"Can
the VIX Signal Market Direction?"
"It's
Time to Fix America's Email Exclamation Point Addiction!" via
[free ebook ] "An introduction to
measure theory" by Terence Tao
"The
Rhetoric of Economics" by Donald McCloskey, 1983,
"Why
I chose journalism over science" by
"Americans
are not getting any older, literally" "Life expectancy in
the United States has stagnated... "
"How
the Recession Improved Life Expectancy - but Didn't Make Us Healthier"
"Introduction
to Predictive Modeling in R" yes, the Casualty Actuarial
Society recommends R...
Text
Analytics Yields Employee Sentiment Insights for HR Executives" on 's
blog
“When
the Okies left Oklahoma and moved to California, they raised the
average intelligence level in both states"
"A Free-Market Fix for the
Copyright Racket"
"targeting
your audience and specifically tailoring outputs to policymakers is key
to improving the impact of research"
"Occupy
gets into the debt market" "buy up and forgive
thousands of dollars worth of debt is (....) pretty clever"
"Occupy
Is Buying Loans and Forgiving Debt" "The People's Bailout"
"At
most a third of us show a consistent approach to financial risk" and the AER paper
"High-Speed
Trades Hurt Investors, a Study Says" can't find the study ?
might still be
"Financial
Decision Making and Cognition in a Family Context"
et cette semaine, plusieurs articles en francais,
"Comment
fêter noël comme un économiste" les conseils de dernière
minute de l'excellentissime
"Le
droit à l’oubli sur Internet : une idée dangereuse" via
"Et
si vous aviez investi vos cotisations retraite dans le CAC40 ?"
"Rendements
boursiers et vieillissement de population" via
"Cotisation
sociale, sémantique patronale et sophisme journalistique" (en France)
"Évaluer
l’enseignement des enseignants-chercheurs"
"le
nombre de charges de cours a augmenté trois fois plus rapidement que le
nombre de professeurs" à l'Université Laval
Aux
Etats-Unis, "la bulle de la dette étudiante est en train d'exploser"
"Pas
de sirop d'érable dans mon camembert!"
"L’anatomie
du blog scientifique 2. Le titre" par
"La
science n'a pas de don de voyance" via
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Monday, December 3 2012
By arthur charpentier on Monday, December 3 2012, 20:00
Some interesting posts, this week,
"Analysis
of variance? Why it is more important than ever"
"Martin
Shubik's Dollar Auction Game" see also
Témoignage
en faveur des logiciels libres "Quand l'accès au
code source est une question vitale... " Troublant
"Leaning
tower illusion" (yes, pictures are
identical... amazing)
"Is
The Market Rational? No, say the experts. But neither are you--so don't
go thinking you can outsmart it" (Dec 2002)
"The
Relevance of Algorithms"
"Why
do older players commit more technical fouls in basketball? (model
this)"
"Don’t
Ask? Internet Still Tells"
“In
the coming decades, [NYC] will most likely face more rapidly rising sea
levels and warmer temperatures, ..."
"What
I tell patients is, if you like coffee, go ahead and drink as much as
you want and can" good to know !
"The
Epistemology of Plagiarism"
"A
Visual History of Nobel Prizes and Notable Laureates, 1901-2012"
[ebook ] David
Aldous's "On Chance and Unpredictability"
"Should
you enter the academic blogosphere?" by (a few weeks ago)
"that's
the problem with randomness", via ("you can never be sure")
[ ebook ]
"Matrix analysis and applied linear algebra" by Carl Meyer,
"Lack
of Humility and Fear of Public Misunderstandings Led to Fukushima
Accident"
"Politics
and statistics" "March of the nerds"
"Don't
rely on economic analysis to learn about human rationality"
"On
proof and progress in mathematics" by Willian P. Thurston via
"Disaster
Economics" by James Surowiecki
"Chinese
typewriter anticipated predictive text" see for the academic version
"accurate
numbers aren't any more useful than the ones you make up"
"The
Real Republican Adversary? Population Density" on 's
blog ("fueled by randomness", awesome title for a blog)
"One-sided
science reporting" on scientists talking silly things via
"As
Companies Seek Tax Deals, Governments Pay High Price"
"Vis
ma vie d’enseignant chercheur en France"
[ebook ]
"L'épistémiologie
des modèles et de la modélisation" (avec une relecture de
Cournot et Lacan par Nicolas Bouleau, p178)
"Obsolescence
programmée et asymétrie d’information" via
wrong
data?
"Egalitarian
airlines" by
"Why
I love Twitter and barely tolerate Facebook" by (clearly more tolerant than
I am) via
"The
holiday is good for the economy during a recession. In more normal
conditions, it is a troublesome waste of money"
"High-Frequency
Trading and High Returns"
"Can
social media strengthen science?" by via watch panel discussion
VIDEO
"Do
you need a university job to call yourself an academic?"
"Twenty-first-century
projections of North Atlantic tropical storms from CMIP5 models"
"Body
Cues, Not Facial Expressions, Discriminate Between Intense Positive and
Negative Emotions"
"The
Concept of the University"
"soaring
flood insurance rates and heightened standards for rebuilding (...) a
luxury only the wealthy can afford"
"Lack of information
on the true likelihood ... might still lead property owners to make bad
decisions "
911
in L.A. "How fast is LAFD where you live?" on
"Still
think you can beat the market?" on 's
blog
"How
many PhD's does it take to get a Powerpoint presentation to work?" via
"Mandelbrot's
life is a heroic story of discovery (...) however, he could be a
difficult man" via
"Dropping
the Ball on Financial Regulation"
see also
"How
Political Campaign Spending Brought Down the Roman Republic"
"Three
Brief Proofs of Arrow's Impossibility Theorem"
" The
Autism Advantage" "how autistic
workers are being drawn into the modern economy " see also
"Like
everyone else I know, when I go to the beach I think mathematics..." an old post by
"L’opinion
publique n’existe pas" sur par Pierre Bourdieu, via (un texte à relire sans
modération)
"The
Changing Goals of Data Visualization"
"Piracy
and Movie Revenues: Evidence from Megaupload"
"Vers
une fiscalité des données" "plus (on) ouvre ses
données aux utilisateurs, moins (on) est taxée " par
"The
statisticians at Fox News use classic and novel graphical techniques to
lead with data"
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Sunday, November 25 2012
By arthur charpentier on Sunday, November 25 2012, 20:55
Some interesting posts, or articles, found this week on the internet,
"Academia:
Off the tenured track"
"If
you deliver a edgy experience for students you quite often push them
outside their comfort zone"
"An
empirical study on the determinants of international student mobility:
a global perspective"
Nicolas
Gueguen, on "higher volumes led beer drinkers in a bar to imbibe more" see also
Twitter,
and "the notion of self-promotion"
thoughts
on heat maps, via
"Remember
Movember: the science behind the moustache"
"How
noisy is economics/finance peer review?"
"Economists
as dentists" (from Keynes) via
"How
to Live Without Irony"
"Ask
A Banker: Are The Banks Still Too Big To Fail?"
geography
of college foot fans
"Behind
the Green Square: Why Many Students Opposed the Strike" (Quebec's
spring)
"Will
2015 be the Beginning of the End for SAS and SPSS?"
"Deterrence
versus Brutalization: Capital Punishment's Differing Impacts among
States" econometrics
and law, nice !
"Measuring
the Complexity of the Dates of Holidays" on "Kolmogorov
complexity of dates of various national holidays "
"Thoughts
on Teaching the Coase Theorem" by
"Trying
to Keep Your E-Mails Secret When the C.I.A. Chief Couldn’t" via
"A
map that helped reshape the world" by the Art Director of
National Geographic
"Charting
weather disasters"
"Rains
that are almost biblical, heat waves that don’t end, tornadoes that
strike in savage swarms"
"‘Shadow
Banking’ [ ]
Up to $67 Trillion, Financial Group Says"
"unusual
drive for academics to work with economists and banks in the aftermath
of the financial and economic crisis"
False-Positive
"Undisclosed Flexibility in Data Collection and Analysis Allows
Presenting Anything as Significant"
"Does
“Statistical Significance” Imply “Actually Signifiant”?" via
"Thinking
like a statistician (continuously) rather than like a civilian
(discretely)" on 's
blog
"Gender and the effects on
car insurance in the U.K."
"Columbia
Data Science Class" by Rachel Schut
Marwell
and Ames's "Economists Free Ride, Does Anyone Else?" revised by
Frank,
Gilovich and Regan's "Does Studying Economics Inhibit Cooperation?" (still via )
"Solving
the Too Big to Fail Problem" (William C. Dudley's speech)
"productivity
of teaching, measured in kb transmitted from teacher to student per
unit of time, hasn’t increased much"
"'Black
swans' and 'perfect storms' become lame excuses for bad risk management"
"Analysis
of the statistics blogosphere" by
"Moments
determine the tail of a distribution (but not much else)” by Lindsay
& Basak via
avec cette semaine, le retour des billets en français,
"dans
notre monde rempli d'incertitudes, on ressent de plus en plus le besoin
d'évaluer, de hiérarchiser, de classer" les
français sont-ils nuls en économie, ou juste les journalistes français ?
"La
corruption des économistes de service n'est pas formelle" cf aussi
"je m’excuse" serait
grammaticalement correct
Did I miss something ?
no trackback
Saturday, November 17 2012
By arthur charpentier on Saturday, November 17 2012, 22:59
A very interesting article, in Scientific American,
"Children
of scientists may inherit genes that not only confer intellectual
talents but also predispose them to autism"
and a nice discussion in Andrew Gelman's blog,
“Communication
is a central task of statistics”... on 's
(reference) blog
Still, a lot of interesting posts and articles, on many different
topics,
Some
Notes on Schelling's Essay (1972, )
"On Letting a Computer Help with the Work"
"Why
are observations of inflation so biased? And biased by gender?" via
see
"How
To Predict The Future" by
"Women
as Academic Authors, 1665-2010"
"Be
persuasive. Be brave. Be arrested (if necessary)" "More scientists
must speak out.... "
"Hurricane
Sandy’s huge size: freak of nature or climate change?"
"The
Moral of Sandy" by
"How
to give feedback"
"What
is Twitter, a Social Network or a News Media?"
"Trends
in Social Media : Persistence and Decay"
Stan
Nikolov’s master’s thesis on "detecting twitter trends before they
happen"
"Popularity
versus similarity in growing networks"
"Twitter
Event Networks and the Superstar Model" via
"How
Long Will a Lie Last? Study Finds That False Memories Linger for Years"
"Science
is enforced humility" "science compels its
practitioners to confront their own fallibility "
"The
Uncertain Future for Universities" via
"No
more magical thinking" by David Remnick
"Are
All Units Created Equal? The Effect of Default Units on Product
Evaluations"
"Child’s
Education, but Parents’ Crushing Loans"
"Should
Scientists and Engineers Resist Taking Military Money?" by on via
"On
the science-based communication of risks following the recent
sentencing of Italian scientists"
"Data,
Dimensions and Geometry oh my !"
with still a few posts on the recent U.S. election
"Breaking
down the Presidential vote"
"512
Paths to the White House" "How we made the
interactive D3 decision tree" via
"Inside
the Secret World of the Data Crunchers Who Helped Obama"
"is
nate silver’s win sociology’s loss?" & "He does it again!
Will pundits finally accept defeat?"
Did I miss something ?
no trackback
Saturday, November 10 2012
By arthur charpentier on Saturday, November 10 2012, 21:51
http://ca.movember.com/ ). So far,
not a lot of articles about moustaches. But I should find some by the
end of the month! Nevertheless, I discoverd a great post for those wo
used to be addicted players
"Millions
of hours have been lost through people playing Tetris. It's a simple
game, so why we find it so compelling?"
Also a lot of posts, this week, about the elections in the United
States (and statistics-pooling-forecasting issues)
Drew
Linzer's "The stats man who
predicted Obama's win" via
"Mapping
Racist Tweets in Response to President Obama's Re-election"
"moving
from polls to forecasts" on 's
great blog (following )
for
those who still want to understand how to play with data for the description of Nate
Silver's methodology
US
elections, on from the model described
here
"Highly
Unscientific Ways of Predicting the Next President" (but who cares)
en
francais, sur le blog de "5 leçons scientifiques du
succès de Nate Silver"
US
elections... "Color might have been a decent option here"
And as usual, several posts on different topics that I found
interesting,
“The
Collapse of the Soviet Union and the Productivity of American
Mathematicians”
"Did
the sun just explode? The last Dutch Book you’ll ever make" the answer of to
"Why
academic publishing is like a coffee shop" "An enormous mystique adds
relatively little"
via "How to devise passwords
that drive hackers away"
"Word
diffusion and climate science"
"Models
must be simpler than the phenomena they are supposed to model"
"Economics
and Natural Disasters"
"we
no longer need expensive publishing networks"
"How
Dark Sky work" via
"Why
supervisors should continue measuring financial risks – the fallacy of
simple rules" via
"A
Math-Free Guide to the Math of Alice in Wonderland" via
"How
Twitter language reveals your gender" "Social media is
giving linguists new insight into how speech varies "
"Supermarket
banking" "Problems didn't
arise from proximity to investment banking; they came from the retail
sector"
see also "On Being The Right Size" (still talking about banks)
"Tweeting
out loud" "ethics, knowledge
and social media in academe "
"Are
You a Good Econometrician? No, I am British"
nice
discussion on "Dumb econometrics questions/bleg on forecast
probabilities" following a question asked
by Nick Rowe
"Climate
policy: Do economists all favour a carbon tax?" via
"Economics
is a serious and difficult subject" via
on
"Market Noise and Signal " by
"A
compulsory register of trials could give a more accurate view of
studies and test results" by
et toujours quelques billets passionnants pour les francophones,
"En
France, 85% des députés sont cumulards. En Angleterre, ils sont 13%. En
Italie, 16%. Espagne? 15%. Belgique? Idem…"
"Le
rapport Gallois est la réponse. Quelle était la question, au fait?" par
"Depuis
que les frais de scolarité ont triplé, le nombre d’inscrits à
l’université a chuté de 15 % en Angleterre"
"La
politique économique est un sport de combat..."
[free book ]
"Eléments de statistique" ("Pour citoyens
d'aujourd'hui et managers de demain ") par Gilles Stoltz
Did I miss something ?
no trackback
Saturday, November 3 2012
By arthur charpentier on Saturday, November 3 2012, 14:08
Interesting discussions, this week, on statistics, and confidence,
"On
weather forecasts, Nate Silver, and the politicization of statistical
illiteracy" on "The
practical implications of misplaced confidence when dealing with
statistical evidence are obvious and worrying"
And alot of posts on Sandy (and consequences in the NYC area)
"Why
Should Government Respond Differently to Natural vs. Economic
Disasters?"
"The
Insurer Of Last Resort" see also on govermnent intervention
and catastrophic risks
"Public
Evacuation Decisions and Hurricane Track Uncertainty "
"America's
Most Expensive Storms" see also
"Chasing
storm damage estimates" see also the i nteresting
summary via
"Why
America Has Fallen Behind the World in Storm Forecasting"
"How
Global Warming Makes Hurricane Sandy Nastier" via
via The forecasting models
behind the power outages forecasts for Hurricane by
"Has
Climate Change Created A Monster?" see
also or
"A
Hurricane Once More, Sandy Defies The Rules"
hurricanes, maths and Fibonacci via
"Hurricane
Sandy will probably grow into a what may become the worst to hit the
U.S. Northeast in 100 years"
And a usual, a lot of very interesting posts here and there
"Ignorance
of how sample size affects statistical variation has created havoc for
nearly a millennium"
"Why
predict percentages?" see also on
"Challenges
modern-day “Big Data” raises for both Bayesian and frequentist
approaches" by Brad Efron
“Life
expectancy and disparity: an international comparison of life table
data” with discussion
"Popularity
versus similarity in growing networks" (see also )
"Until
Proven Guilty: False Positives and the War on Terror"
"Psychologists
found that students remembered reading material better when it was
printed in an ugly font" via
"Are
tweets more accurate than science papers?" on 's
blog via
"Why
ecologists shouldn’t be Bayesians"
"The
Social Dynamics of Performance" via why "mutual fund
managers do not maintain their performance " ?
[course online ]
it takes some guts to become a financial quant and
"Science
comics as tools for science education and communication: a brief,
exploratory study" via
"Data
Scientist: The Sexiest Job of the 21st Century" via
"there are no
university programs offering degrees in data science "
"People lie to
pollsters, and probably on Facebook. But not to Google's search bar "
"Regression
and Causation: A Critical Examination of Econometrics Textbooks"
"People
Can Predict Elections (Even When Polls Can’t)"
"High
Frequency Trading and the UK Government’s Whitewash"
"listen
to your data" via
"When
Math Hurts: Math Anxiety Predicts Pain Network Activation in
Anticipation of Doing Math"
"Nonsymbolic
number and cumulative area representation contribute shared and unique
variance to symbolic math competence"
"London
Surnames, The capital's most frequent surnames" by
Poll
Averages Have No History of Consistent Partisan Bias" by
"What’s
the Use of Economics?" via
"Climate
models get smarter but uncertainty just won't go away"
L'Aquila
ruling: Should scientists stop giving advice?"
"we
are what we measure" via
avec
toujours des billets en Français
Morgan
Stanley a « modifié
son modèle de VaR pour qu’il soit plus réceptif aux récentes conditions
de marchés » via
"Les
banques sont incorrigibles !" par Philippe Herlin
"Les
dirigeants d’entreprises sont-ils les mieux placés pour parler
d’économie?" intemporalité des billets d'
Société
Générale versus Kerviel: "l'arrêt Kerviel ou la question de la morale
au travail" par
Did I miss something ?
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Saturday, October 27 2012
By arthur charpentier on Saturday, October 27 2012, 23:31
A nice post (found a couple of days ago) on an insteresting topic, I should perhaps discuss more
often on this blog
"Why
do people love to say that correlation does not imply causation?"
Also, this week, a series of posts and articles about L'Aquila trial,
"L'Aquila's
earthquake-scarred streets see battle between science and politics"
"L’Aquila:
earthquake, verdict, and statistics"
"Complexity
and the madness of crowds – lessons from disaster prevention" on 's
blog
"Trial
Over Earthquake in Italy Puts Focus on Probability" via
"Italian
court ruling sends chill through science community"
"Verdict
of l’Aquila Earthquake Trial Sends the Wrong Message" about how to deal
with hazard assessment and mitigation
"Scientists
on trial: At fault?" (a detailed article)
"Italian
scientists convicted of manslaughter" "No finding of elevated
risk in a report days before a fatal earthquake"
Still, a lot of very interesting posts found here, and there,
"The
Role of Connections in Academic Promotions” by Natalia Zinovyeva and
Manuel Bagues
"The
Student Debt Crisis"
"Integrals
don’t have anything to do within discrete math, do they?"
[free ebook ]
"Think Bayes: Bayesian Statistics Made Simple" by Allen B. Downey
"Benoit
Mandelbrot, the father of fractal geometry, pens a disturbing new
memoir on mathematics—and survival"
"Milliseconds
matter" "pricing strategies and
decision-making process involved in HF trading"
"The Virtues and Vices of
Election Prediction Markets" by via on nerds
"Communication
about science doesn’t need to be time-consuming or distracting from
research ..."
"21
Reasons Why You Should Never Date An Economist" see also via
"Fun
with tax: How taxation by government has changed"
nice
application for those who like words,
and graphs
"Frankenstein
Economics is killing capitalism"
"Asset
Pricing with Garbage" in the Journal of Finance, last year
"The
Future of Computer Trading in Financial Markets"
"Auction
Theory: A Guide to the Literature" by Paul Klemperer
"Ethics
and Finance: The Role of Mathematics"
"How
to find a perfect match for a Nobel" by via
"Who
owns research data and the rights to publish it?" via
"We’re
probably at the death of education" via
"Can
humans cause an earthquake?" see also
"Algorithms,
Arbitrage, and Overreaction on Intrade"
"Did
the financial blogosphere go away?" by via
"an XKCD-esque chart" with answer to 's challenge
"And
the winner for longest time on record between publication and
retraction is…" via
"Location,
Location, Location" by Alexandra M. Lord via
"How
ProPublica’s Message Machine Reverse Engineers Political Microtargeting" via
and
If
you're working in Academia “it’s your duty to be miserable” by via
Forthcoming
actuarial projects on life tables "Average life span for Dwarves,
Hobbits and Men"
"Scientific
research bodies 'failing to engage public'" via
"Is
it meaningful to talk about a probability of “65.7%” that Obama will
win the election?"
"Why
It is Essential That Criminal Bankers are Prosecuted" via
"Perhaps
the whole ‘don’t put all your eggs in one basket’ school of portfolio
allocation is financial wisdom enough"
damned,
even the New York Times knows: "You Don’t Work as Hard as You Say You
Do"
Also several documentaries, found, online
[video doc ] "Money as Debt " directed by Paul
Grignon via
via
VIDEO
[ ]
"97% Owned " via and
[ ]
"Overdose: The Next Financial Crisis " via and
Et comme toujours, quelques articles en francais,
Le
Krach de 1929, discuté 15 jours plus tard dans le Journal des Finances via
"Économistes
à gages et médias complaisants" par Renaud Lambert (suite du livre de )
"Ce
que le blog apporte à la recherche" par Antoine Blanchard (a.k.a. )
Did I miss something ?
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Saturday, October 20 2012
By arthur charpentier on Saturday, October 20 2012, 13:32
This week, the most important news is undoubtly
"Randomly generated mathematics
research papers!" "Mathgen paper accepted" ,
see also "Nonsense paper accepted by mathematics journal" via
I also read a very interesting post
"Publication
incentives" by (following )
among many others
"Challenging
the integrity of research"
"We
need a method of assessing the support of research if we want to change
the ‘publish or perish’ culture"
[notes ]
"R for SAS and SPSS users"
"status
and math in economics" see also the paper
"What
is math, and why should we use it in economics?"
[video
course ] "Beyond Computation: The P vs NP Problem" by Michael
Sipser
[free
ebook ] "Bayesian Reasoning and Machine Learning" by David Barber via
"What
JP Morgan’s release of VaR has in common with sex and computer viruses"
"forecasting
the Presidential election using regression, simulation, or dynamic
programming" via
"Where
Will The Next Pandemic Come From? And How Can We Stop It?"
"How
close are pairwise and mutual independence?" via
"Homogeneous
record of Atlantic hurricane surge threat since 1923" via
"Blogging" "Too often dismissed as narcissistic
echo-chambers, blogs are the ultimate form of collegiality "
"All
you scientists frustrated by the rejection of your papers from
journals, relax. Rejection is rare"
"Beware,
win or lose: Domestic violence and the World Cup" in
"what
is the optimal way to find a parking spot?" by
with several articles early this week on the Nobel price (in Economics)
"I
never, never in my life took a course in economics" (Lloyd Shapley)
"A
Nobel for work that affects your daily life"
"To
win the Nobel Prize in Economics, it helps to wield math. Lots of it"
(posted before the annoncement) via
avec plusieurs articles en francais
"Alvin
Roth et Lloyd Shapley, Nobels d'Economie 2012" joli papier d' sur
"Le
Prix Nobel d’économie 2012 : ni prix, ni Nobel, ni économie ?" par
mais aussi
"Le
douloureux calcul de la valeur de la vie"
quand
un
problème
classique pour les actuaires intéresse maintenant les économistes
cf ,
pour une méta analysis ou
quand
un brillant statisticien (Paul Deheuvels) prend la parole sur l'étude
de Séralini, via
"Ne
comptez pas trop sur les JT et les chaînes d'info pour délivrer un
discours critique sur l'économie" sur
«Chocolatine
ou Pain au chocolat ?» (en France) via
"Universités
du Québec: le spectre du sous-financement, ou quand la quantité
remplace la qualité "
RT
"idiots" par Denys Bergrave via
(en
moyenne) "Twitter est une jeune femme américaine"
Did I miss something ?
no trackback
Sunday, October 14 2012
By arthur charpentier on Sunday, October 14 2012, 23:37
A very interesting post discovered recently
"Half
of the Facts You Know Are Probably Wrong" "Everything We Know Has an
Expiration Date"
and many others worth reading
"inappropriate
fiddling with statistical analyses to obtain desirable p-value"
"To win the Nobel Prize in Economics, it helps to wield math. Lots of it" via "Complex
environments often instead call for simple decision rules (...) these
rules are more robust to ignorance."
"what
is the optimal way to find a parking spot?" by
"Forget
your fancy data science, try overkill analytics"
in
the U.K. "what happened when MPs took a maths exam" but I bet it's the same in most
countries !
"The
arithmetic of tenure standards" by
"Flows
of Research Manuscripts Among Scientific Journals Reveal Hidden
Submission Patterns" via
"articles
that were rejected by one journal and resubmitted to another were
significantly more cited than first-intent"
"You
miss almost everything while you’re offline, but that’s ok"
"Genetic
and environmental influences on thin-ideal internalization"
"There
are many ways to price by gender" by via
"When
academic disagreement becomes harassment" by via
since
temperature is continuous there are two points on the equator
diametrically opposed yet have the same temperature (a simple but
nice application of Rolle's theorem)
"Unpleasant
Properties of Log-Linearized Solutions when the Nominal Interest Rate
is Zero" via
"Relationship
advice" on "contracts between
academic scientists and industry sponsors"
"How
Game Theory is Reinventing Crime Fighting" via
avec aussi quelques posts en francais,
"outils
gratuits pour analyser les données" et via
"'biais
de publication: aucun résultat significatif signifie moins de chances
d'être publié" via
"Plus
un pays est inégalitaire, moins il est efficace"
avec
du retard "Physique des blogs : personal Zipfing" par
A
l'origine de 4’33” de John Cage, une oeuvre peu connue d'Alphonse
Allais, via
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Wednesday, October 10 2012
By arthur charpentier on Wednesday, October 10 2012, 22:31
Some news
from the earthquake that occurred last night in Montréal
" seismic event: magnitude
4.5 - 10 Oct 0:19 edt, Longueil, QC region" versus
"M3.9 - 9km NNW of Beloeil, Canada, 2012-10-10 04:19:28 UTC"
with priceless damage in my backyard,
see
also "seismic waves" via
and other interesting posts and articles found here, or there,
"Coping
with deep climate uncertainty" by David Wogan on 's
blog
"How
Much Trust Should We Have in Economic Data?" by
"why
are professors so liberal?" see also
"What
number is halfway between 1 and 9? 5 or 3?" " it's actually more
natural to think logarithmically than linearly"
want
a safe trip? do not travel in executive class see also via
"The
Non-Euclidean Geometry of Whales" on 's
blog via
"The
use of mathematics in economics and its effect on a scholar's academic
career" (nb equations per article)
"The
problem with high frequency trading" by Felix Salmon
"The
True Value of a Sabbatical" via
"higher
education system is failing to prepare students with needed digital and
social skill set in any meaningful way"
avec comme toujours quelques articles en francais,
"Les
mathématiques déchiffrent les réseaux sociaux" via
"Lettre
à l'Inist" par sur la diffusion des
articles scientifiques (et qui paye)
«L'éducation
déchiffrée» nouveau blogue d'Eric Charbonnier, économiste à l'OCDE via
"Le
rôle des croyances et des idéologies dans l’économie politique des
réformes" par Gilles Saint-Paul via
"Notre
problème avec Facebook est un problème de topologie" sur le blog d'
"Que
valent les revues scientifiques? ou «Dis-moi la taille de ton sexe, je
te dirais qui tu es»"
par
no trackback
Friday, October 5 2012
By arthur charpentier on Friday, October 5 2012, 00:25
Two very interesting articles found this week
"Heavy
use of equations impedes communication" "density of equations has
significant negative impact on citation rates"
probability,
uncertainty, risk, facts, sciences... all the ingredients for a nice
story "If only..." by Tony Ballantyne
among many others
"Women
economists see the world differently" by Tyler Cowen via see also
"What
have the economists ever done for us?" see also cc
" Paying
to get to the front of the line" "brings
the market to the experience of waiting in line" fairness? equality?
"The
effect of hurricanes on popular baby names" (in the U.S.)
ah,
statistics via
"this
form of governance long ago earned US research universities the
description of ‘organised anarchies’"
"Economic
Research vs. the Blogosphere"
"Academics
behaving badly? Universities and online reputations" by via
"We
should go further unbundling banks"
want
to know more about (mathematician) Grigori Perelman? read Playboy...
"N
Ways to Apply Algebra with the NYT" by
"Ignoring
a Covariate: An Example of Simpson's Paradox" see also "Simpson's Paradox
– A Survey"
"Simpson’s
Paradox: A Cautionary Tale in Advanced Analytics" on
's
blog
"Can
Riots Be Predicted? Experts Watch Food Prices" by
"Some
lesser-known truths about programming"
"The
Next Subprime Crisis Is Here: Over $120 Billion In Federal Student
Loans In Default"
"Research
fraud exploded over the last decade" see also
"High
frequency traders’ claims refuted by studies"
"Fed
pushing SEC to get serious about the dangers of superfast
computer-driven trading" via
"The
academic online: Constructing persona through the World Wide Web" via
"Reporting
science: Journalistic deficit disorder" "What newspapers don’t say
matters as much as what they do"
"4-Year
Prison Terms Sought for members of Italy's National Commission for the
Forecast and Prevention of Major Risks"
"The
contested science behind Bloomberg's ban on large-sized sodas" by
"Who
lives longer? and why?" by Josep Pijoan-Mas and Víctor Ríos-Rull cc
"The
Power of Kawaii" "Watching Animal Videos
Could Make You a Better Employee" via
et quelques articles en francais,
"Peut-on
encore arrêter la finance folle" (1) (2) via
"Et
si nous laissions les banques faire faillite ?"
"A
qui profite la crise ? L'analyse de Joseph E. Stiglitz" sur le site des
"Plus
un homme en fait à la maison, plus il risque le divorce"
ou
faut-il plutot croire l'étude de 2010 ? "Plus ils frottent, moins elles
divorcent" cc
Enfin!
"Comment lire la presse américaine en anglais dans le texte" glossaire des termes de la
politque U.S.
J'en
rêvais, il l'a fait !
enfin un commentaire de Marc Lavielle sur "L'affaire NK603"
no trackback
Saturday, September 29 2012
By arthur charpentier on Saturday, September 29 2012, 19:27
The most interesting post found those past days is probably
"Want
to Change Academic Publishing? Just Say No"
but there were also interesting other things,
"What
ails us" by James Surowiecki written (almost 10 years ago) discovered via in
"Can
You Live Without a Data Scientist?" by in via
"Production
and reproduction of research work force, effect on innovation and
research misconduct" via
an
academic job? "anyone entering the
research field should be under no illusion that it takes blood, sweat
and tears"
"The
US electoral college explained" why
they don't vote directly for a president via
"Misrepresentation
of Randomized Controlled Trials in Press Releases and News Coverage: A
Cohort Study"
"understanding
the process of research is invaluable (...) for every citizen who is
faced with the important decisions"
some
nice opendata (if you won't take a plane in the next 10 days) on 's
website
"The
Peak Time for Everything" via " at 8 am (...) start your
day on a cheery note" on Twitter
"Generation
Y Is Financially Smarter Than Boomers" (but there's no money left )
"The
15-hour working week predicted by Keynes may soon be within our grasp –
but are we ready for freedom from toil?"
"What
About the Questions That Economics Can’t Answer?" via
"Inequality
Kills" by see also
"stochastic
mapping of food distribution networks for understanding risks and
tracing contaminant pathways"
"Social
media tips for scientists"
"how
hard is academia?"
"Who
said economists are dull? Finance students are the most promiscuous on
campus" via
"High-Speed
Trading Hurts Long-Term Investors" via
"Why
I Agonize About The Zero Bound" on 's
blog
"Election
heatmap", tell me what you read, I'll tell you who you (might) vote for
"Big
Data Blasphemy: Why Sample?"
"Beers
and U.S. politics" via
"How
long does it take to afford a beer?" chepeast place to get a
beer? go the U.S. and work for 5min
"a
wall goes up (...) when you try to make Mr & Mrs Average American
Citizen work or think" via "paper
on latent class analysis of democracy dummies" by Simon Jackman via
"The
welfare state’s a worthy Ponzi scheme" by
"the
impossibility of meritocraty" via
"All
credit card PIN numbers in the World leaked" 4 digit codes, first 2
digits (x) and last 2 (y) on the graph below
"The
Cost of a Happier Chicken: Who Pays?" via
ou en francais, toujours le buzz sur l'étude sur les OGM (je croyais
que ca parlait de pesticides, je ne comprends rien à la recherche
scientifique)
"Mauvais
journalisme: la faute à qui?" via
"Les
dégâts collatéraux d’une 'étude choc' sur les OGM qui fait 'pschitt'" via
"Faudrait
pas que le bon peuple puisse juger de la science concernant les OGM
directement"
"OGM,
pesticides et autres… Comment décrypter une étude scientifique" via
sinon, toujours plein d'autres choses sur d'autres sujets plus ou moins anondins,
"S'exprimer
sur Twitter n'est pas anodin..."
Le
blog de est une merveille!
aujourd'hui, "crosser (oui, on a recu beaucoup de
courriels -en interne- sur le futur recteur de l'UQAM)
"Bye
bye banquise" via les données sont sur voir aussi
"Remarques
et propositions sur les structures de la recherche publique en France"
par l'Académie des Sciences
"Jérôme,
de la librairie Alphagraph, jette l'éponge" quel dommage !
no trackback
Tuesday, September 25 2012
By arthur charpentier on Tuesday, September 25 2012, 21:20
Some recent posts and articles, found on the internet,
"Sizing
Up The American Dream"
"Groups
Make Better Self-Interested Decisions" by Gary Charness and Matthias
Sutter
"Weatherman
Is Not a Moron"
"Expert meteorologists are forced to
arbitrage a torrent of information to make prediction "
including several posts on that GMO (French) story
"France
and European Commission Order Review of Controversial GM Study in Rats"
"Under
Controlled: Why the New GMO Panic Is More Sensational Than Sense"
"From
Darwinius to GMOs: Journalists Should Not Let Themselves Be Played"
"Most
of what you read was wrong: how press releases rewrote scientific
history" by
avec aussi plusieurs billets en français,
"Les
OGM sont bons pour la santé" sur le blog de via
"L'étude
anti-OGM ou le syndrome de la recherche unique"
"OGM
et cancers" via
"De
la désastreuse perversité des régulateurs bancaires" via
Did I miss something ?
no trackback
Tuesday, September 18 2012
By arthur charpentier on Tuesday, September 18 2012, 20:35
Some posts and articles, found recently on the internet
"It’s not what you know, but who: The role of connections in academia" via
"What
would Batman eat?: priming children to make healthier fast food choices" via "Why
are some things easier to forecast than others?" on 's
blog "
Fukushima Update: How Safe Can a
Nuclear Meltdown Get?" by Will Boisvert (published in August) "Police
are investigating whether a man found dead on a street was a stowaway
who fell from a plane" what are the odds?
"More
studies on the economic effects of climate change" on 's
blog
"What
Does it Mean to Be Poor?" "consumption
of the poor is much higher than their incomes. Is poverty falling, or
not?"
"Adult
Obesity Rates (in the U.S.) Could Exceed 60% in 13 States by 2030,
According to New Study" via
"Friends
You Can Count On" by
…
“Bayesian
flooding” "Fooling Facebook: Telling
Lies To Protect Your Privacy"
"Automatic
cleaning of messy text data"
"Recruitment
in academia: is there no room for compassion?"
on
"Iterated Prisoner’s Dilemma contains strategies that dominate any
evolutionary opponent" or
“2%
per degree Celsius . . . the magic number for how worker productivity
responds to warm/hot temperatures”
"Why
Can't We Sell Charity Like We Sell Perfume?"
"Sex
Doesn't Sell — Nor Impress" (a study based on more than 900 films
released between 2001 and 2005 )
[free ebook-R code ] "The
Statistical Sleuth In R" based on chapters 1-13
dear millionaire, how committed are you to
living in your country ? via and
dear millionaire, by how much has your
wealth has your wealth changed since 2008 ? via
"Why
I am a Macroeconomist" by Miles Kimball
"Differences
in risk aversion between young and older adults"
"wildfires'
positive and negative economic impacts"
"Bubbles:
Who to blame?" by Garett Jones
"False
positives: fraud and misconduct are threatening scientific research"
"Bayesian
Blogging" see on Bayes' theorem
"10
largest bankruptcies in the history of the USA" via
"Television
viewing time and reduced life expectancy: a life table analysis"
"How
and When To Blog For Academics" by Alex Burns via see also
"Estimating
the historical and future probabilities of large terrorist events"
"A
Mind is a Terrible Thing to Change: Confirmation Bias in Financial
Markets" by S. Pouget and S. Villeneuve
"Count
on me" "Sometimes, the use of
metrics to assess the value of scientists is unavoidable"
ou en francais,
"Tout
ce que vous devez savoir sur la crise, depuis la chute de Lehman
Brothers"
"Les
mathématiques sont-elles une langue ?" par Laurent Lafforgue
"Quand
savoir coder devient tendance"
"A-t-on
trouver la stratégie “imbattable” dans le dilemme du prisonnier répété
?"
"Harsanyi
et l’observateur impartial" suite, et fin
"Le
post-doctorat, tremplin ou salle d’attente ?"
Did I miss something ? For more...
no trackback
Wednesday, September 12 2012
By arthur charpentier on Wednesday, September 12 2012, 20:32
some posts, found recently on the web
"Are
We Addicted to Gadgets or Indentured to Work?" by
"when
income grows, who gains?"
"The
IRL Fetish" by
awesome
graphs by on Marvel universe data
"Academia
is right to be wary of philanthropy – but it's not all bad"
"World
university rankings – analysis"
"S&P500
Total Return vs Bonds (1800-2012)" via
"Using
the “instrumental variables” or “potential outcomes” approach to
clarify causal thinking"
"Some of the climate
skeptic community has bought into conspiracy theories"
"Hunger
Games for maths nerds" on
's
blog
"What
is the Future of College Education?" "Less talk, more questions"
"Big
Banks Hide Risk Transforming Collateral for Traders" via
"Singular
Sensations" by in his series "Me, Myself and Math "
"Climate
change may increase the number of heat-related deaths in the UK by 540%"
"Coding
is part of the future of journalism"
[free ebook ] "A First Course on
Time Series Analysis with SAS" an open source book (but using SAS)
"The
enduring economic aftermath of natural catastrophes"
"Challenges
in ameliorating hunger while preventing obesity" for a pdf version, or
"The
Usefulness of Useless Knowledge" by Abraham Flexner via and
via "natural fractals as seen
through Google Earth"
"Fresher
ocean water can boost hurricanes"
"Does
the universe need God?" by via
"mathematical
model that helps to design new drug cocktails against HIV" via
"The
Probabilities of Large Terrorist Events" via
"Evolutionary
Theory’s Welcome Crisis"
"How
Google Builds Its Maps (and What It Means for the Future of Everything)"
mais aussi quelques billets et articles en francais,
"Harsanyi
et l’observateur impartial" première partie
"Gouvernance
des Universités françaises" voir
aussi sur la centralisation des
Universités
"Le
journalisme de données, ou l’art de faire parler les chiffres" par
"Composition
des ménages en France" trouvé par dans évoqué sur
"En
lançant les assises de l’ens. sup. et de la recherche, le gouvernement
veut-il réellement changer de politique ?"
via Quod erat demonstrandum "Journalisme pas Net"
Did I miss something ?
no trackback
And alot of posts on Sandy (and consequences in the NYC area)
