X

Sidebar

Filters

+

Laurent Duval just sent me the following:Dear IgorNuit Blanche is a nest of choice for many sparsities. The ones of concern here are those approximated by an $l_1/l_2$, or Taxicab/Euclidean norm ratio, which was already covered in some of your posts: http://nuit-blanche.blogspot.fr/2012/04/compressive-sensing-this-week.htmlhttp://nuit-blanche.blogspot.fr/2012/03/old-and-new-algorithm-for-blind.htmlhttp://nuit-blanche.blogspot.fr/2008/05/cs-kgg-explanation-of-l0-and-l1.html We propose
[…]

+

Decimal points are small, and so easy to lose. And it appears that many of them were lost on FAFSA (Free Application for Federal Student Aid) forms, which is NOT a place that you would want incorrect data. According to an official document from July 18, people filling out the form were supposed to round monetary […]

+

This is an example of how to use the demography package in R for stochastic population forecasting with coherent components. It is based on the papers by Hyndman and Booth (IJF 2008) and Hyndman, Booth and Yasmeen (Demography 2013). I will use Australian data from 1950 to 2009 and forecast the next 50 years. In demography, “coherent” forecasts are where male and females (or other sub-groups) do not diverge over time. (Essentially, we require the difference between the groups to be […]

+

[bibtex key=ChengFriedmanHamkins:LargeCardinalsNeedNotBeLargeInHOD] Continue reading →

+

I read an excellent article today ... Why Do Americans Stink at Math? Please, read it!Several years ago I read the book, Innumeracy: Mathematical Illiteracy and Its Consequences by John Allen Paulos. It was interesting to see documented the very thing I had heard too many times. Parents would say, "I was never good at math either. I can't even balance my checkbook." Not many people would admit to not being able to read the newspaper, but parent after parent […]

JohnDCook tweeted: @JohnDCook

"Incentive is not fate." -- John C. Wright

2014-07-24 11:00:25

gaussianos tweeted: @gaussianos

Nombres matemáticos para empresas - #AntologíaGaussiana http://t.co/aEjY5TTaMz

2014-07-24 10:59:43

freakonometrics tweeted: @freakonometrics

[free ebook] " An Introduction to Data Science" https://t.co/yS1ZSQHYbj ht @lisachwinter

2014-07-24 10:58:11

freakonometrics tweeted: @freakonometrics

"Gaza : Les mots en guerre" http://t.co/WWGSuDxCGp ht @monachollet

2014-07-24 10:56:36

freakonometrics tweeted: @freakonometrics

"Ces nouveaux maires qui réintroduisent la voiture en ville" http://t.co/3S2ONXhkDj sans parler du prix des transports publics (délirant!)

2014-07-24 10:55:23

MindAfterMath tweeted: @MindAfterMath

2014-07-24 10:40:00

profkeithdevlin tweeted: @profkeithdevlin

RT @commentisfree: If you plan to avoid air travel due to MH17, let maths be your guide | @jamesrbuk http://t.co/0CjBYpI1MN via @guardian

2014-07-24 10:24:15

rmathematicus tweeted: @rmathematicus

RT @PastFashion: Where are all those Carnivalesque nominations? I know there are some amazing pre-modern blogs out there! http://t.co/9PUEq…

2014-07-24 10:22:28

X