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Posts

August 31, 2015

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7:37 AM | Aléatoire ou arbitraire ?
Un responsable gouvernemental français a récemment associé contrôles aléatoires et discriminations... - La tribune des mathématiciens
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7:30 AM | Brain-O Quiz Answers
8/31/2015 Answers to Last Fridays Brain-O Quiz: 1.  You might fine “begi […]
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7:01 AM | Bar Chart Baselines Start at Zero
There are visualization rules and there are visualization suggestions. Most are suggestions. The ones that are rules exist because of how our brains process visual information. There's just no getting around it.Tags: bar chart, rules
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6:35 AM | Gender gap
As I’ve noted in the past, one of the big components of the remaining gender pay gap is lower pay for jobs that attract more women. I thought this was an issue where direct action would be infeasible. Maybe not. Two New Zealand groups are now trying to target this, as described by Kirsty Johnson and Nicholas […]
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5:00 AM | Il problema di agosto (564) - Dare i numeri per strada
Yawn. Sì, lo sappiamo, è da veri maleducati sbadigliare in pubblico. Che poi, diamine, per far capire che si sbadiglia siamo perfino costretti a chiamare in causa l'onomatopeia inglese, che grazie ai fumetti è facilmente intelligibile anche su queste italiche lande. E insomma, che possiamo fare? Lo sbadiglio ci è proprio scappato ma la colpa non è [...]
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5:00 AM | 4.1.21
- Figures sans paroles / Les figures sans paroles
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5:00 AM | Nuit Blanche in Review ( August 2015 )
Since the last Nuit Blanche in Review ( July 2015 ) we saw the birth of GitXiv and a few implementations. GitXiv: Because People Still Don't Care About You and Your Algorithm Machine Learning and Homomorphic EncryptionMash: Fast genome distance estimation using the MinHash algorithmLight Field Reconstruction Using Sparsity in the Continuous Fourier Domain ranger: A Fast Implementation of Random Forests for High Dimensional Data in C++ and R Manitest: Are classifiers really invariant?Low-Rank […]
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5:00 AM | Unsupervised Feature Selection on Data Streams / Streaming Anomaly Detection Using Randomized Matrix Sketching
Today, we see the use of streaming algorithms to figure out anomaly detection or unsupervised feature selection. Streaming Anomaly Detection Using Randomized Matrix Sketching by Hao Huang, Shiva Kasiviswanathan.Data is continuously being generated from sources such as machines, network traffic, application logs, etc. Timely and accurate detection of anomalies in massive data streams have important applications such as in preventing machine failures, intrusion detection, and dynamic load […]
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3:58 AM | The Drive to Choteau – Photographs and Video
After walking 2 1/2 miles around Swiftcurrent Lake in Many Glacier, Alan and I were left with no signal, and no real way of knowing exactly how long our drive was. Except we knew at 7 that we would not make it to Choteau before dark. We are avoiding night driving because 1) we want […]
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3:55 AM | AFGL 0.1.5
I think I’m at that point about this thing where I really don’t want the whole proof. They tell me it has been proved, and I’d like to know more about it, but… this definitely feels like Someone Else’s Problem. Does that make me a bad mathematician? (the last digits don’t mean anything, of course …) So, I think I’ve figured what is the Magic Thing that Must Happen to finish Lazard’s calculation when you follow wikip’s point of […]
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3:28 AM | 20 ways to improve as a teacher of statistics (Part 1)
It embarrasses me to look back on how I taught statistics ten years ago. Were I still teaching in a university, I would not be teaching the same things the same way I did then. I did the best I … Continue reading →
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3:26 AM | Two candidates that I want to see run for Democratic Nomination
It has been noted that while there are 17 Republican candidates for the nomination, of which 10 have been declared serious by FOX News via the first debate, there are far less democratic candidates for the nomination and only one has been declared serious by the powers that be. This may change if Biden runs. I want to suggest two Democrats who I think should run. They have not made ANY moves in that direction, so it won't happen... until they see that this blog post endorsing them and they […]
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3:21 AM | Rewiring the Teacher Brain for Growth Mindset
Teaching growth mindset is not as much “showing students how” as it is a “changing the way we talk about what we already do”.  If we are able to talk about learning differently, it becomes embedded in daily routines.  Here are a few subtle changes I made to my syllabus this year. Old syllabus EXTRA…
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3:03 AM | Ask BetterQs!
Questioning is one skill I pride myself on doing well in the classroom. I think it's a fairly easy skill to develop and at no cost to me. =)Questioning is how I learn from others and how I learn about myself. I am very analytical and I am always asking myself questions to figure out why I feel, think, and act the way I do. Very meta, I know.Since that skill is so embedded in me personally, it definitely comes out in the classroom. It's also my favorite thing to suggest to other teachers. Better […]
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2:44 AM | Or we could not.
How about we trust the children and treat them like humans? Or even better help them learn how to be respectful with their phones. this shit just pisses me off.
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1:21 AM | A Reflection on My First Weeks #MTBoSblaugust
Basically, the beginning of the year goes something like this – Week 1:  Team Building / Communication (the beach towel, handcuffs) & Four 4s to review Order of Operations Some Sol Lewitt to intro Notice/Wonder and Creating their own questions. Week 2: Barfing Monsters Stations Day 1, Barfing Monsters Days 2/3 and an intro to […]
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1:20 AM | The GEB special issue from STOC, FOCS, and SODA 2011!
The first of a series of special issues from STOC, FOCS, and SODA has been published in Games and Economic Behavior; it contains papers invited from the 2011 conferences. The papers in the issue cover topics including mechanism design, the price of anarchy, networks, and learning in games. As the introduction to the special issue […]
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1:06 AM | Oliver Sacks... Story-teller
My inclination, upon hearing of Oliver Sacks' death, was to note it, but not attempt any further tribute, since so many will be penning better pieces than I can (plus, he doesn't fit that easily into a mathematics blog). But on reflection, as a small memorial, I've decided to re-run here at MathTango, the below entry that was originally posted at Math-Frolic over two years ago [...I've also now
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12:00 AM | insane-mathematician: The Gamma Function’s integral definition...
insane-mathematician: The Gamma Function’s integral definition and one of its properties translated to Gallifreyan mathematics. This took me a few hours.
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12:00 AM | WS MoreOrLess: China Stock Market Crash
The Chinese Market Crash in context. How big is the market, how many investors does it have and does it tell us anything about the wider Chinese economy? Sprinters legs It may seem strange, but world class runners don’t move their legs faster than average park runner. That’s the claim anyway – is it true and if so what is it that makes athletes like Usain Bolt and Justin Gatlin run so fast?

August 30, 2015

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11:50 PM | Team Sorting – Coordinate Geometry
Last year we sorted students into teams using cards at the beginning of each unit. All cards can be found at this link. The following are some of the comments that we overheard when students sorted for their Coordinate Geometry unit. Equations! I can do equations. If this is algebra, I’m going to do great […]
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11:50 PM | Trig For Little Kids
How to teach trig to 8 year olds.It's pretty easy once you understand some basic concepts. This short 5 minute video details what you get for your money. If you have already gotten a lifetime password this page is Gratis. Otherwise it's just $39.95.The page contains several hours of video that will make trig into child's play. It also has several bonuses that make the page worth more than the 40 bucks you are going to pay...You can pay 40 bucks and it will be more than worth it. Or you can get […]
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11:00 PM | On This Day in Math - August 31
The pursuit of the good and evil are now linked in astronomy as in almost all science. ... The fate of human civilization will depend on whether the rockets of the future carry the astronomer's telescope or a hydrogen bomb. ~Sir Bernard LovellThe 243rd day of the year; 243 is the largest three digit number that can be expressed as a fifth power (35). It is also the sum of five consecutive prime numbers (41 + 43 + 47 + 53 + 59).Venus' day is 243 Earth days. *Derek OrrEVENTS1682 Michael Rolle […]
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10:36 PM | What will this day be like...? I wonder....?
So tomorrow is the first day of school. I am at the point in my to do list when it is time for me to let some things go - I can't do everything I'd like to on day 1.I did make a presentation to explain Standards Based Grading. Inspired by Bowman, This prezi gives a basic overview of what SBG is, why I use it and how it will work for my students.Apparently in my post grad school haze I completely missed the TMC15 inspired month of blogging (Blaugust). I also missed discussion on all the […]
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10:31 PM | Share from Repository (weekly)
Claw machines are rigged — here's why it's so hard to grab that stuffed animal - VoxGood context for discussing expected value that's a bit more tangible than casino games.Tags: no_tagWhat We’re Missing In Measuring Who’s Ready For College | FiveThirtyEightTags: no_tagTufte CSSTags: no_tagScience Isn’t Broken | FiveThirtyEightTags: no_tagA Little Stats: Stats Things LovedTags: no_tagBrian Nosek's Reproducibility Project Finds Many Psychology Studies Unreliable - The AtlanticTags: […]
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10:15 PM | ergodicity of approximate MCMC chains with applications to large datasets
Another arXived paper I read on my way to Warwick! And yet another paper written by my friend Natesh Pillai (and his co-author Aaron Smith, from Ottawa). The goal of the paper is to study the ergodicity and the degree of approximation of the true posterior distribution of approximate MCMC algorithms that recently flourished as […]
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9:55 PM | Graph of the day
Literally, this time. I got this from Andrew Gelman, but it’s too good not to share. It’s originally from the Wall Street Journal Apart from the attempts to make the body part representative of the activity, the unwisdom of playing soccer in high heels, and the mystery of what it actually is that she’s eating […]
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8:54 PM | Statistical Independence – Sunday Puzzle
Two events are statistically independent if the outcome of one does not affect the probability of the other. For instance, if I flip two coins, the fact that one coin shows heads in no way affects the outcome of the other coin. On the other hand, if I deal out cards for game, then the … Continue reading Statistical Independence – Sunday Puzzle
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8:33 PM | Better Qs
Last week, Sam Shah tweeted this:I immediately replied because I was at Rachel's session, and at Dylan Kane's session and at Robert Kaplinski's session, all of which were on questioning. My #1TMCThing was:(I'm going to let go the fact that I can't seem to get those two tweets to be the same size, but know that it is really annoying me.)What were Sam and Rachel planning, you ask? A most awesome collaborative blog found here. There are already a number of posts, so check it out!Why did I agree to […]
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8:24 PM | What if Seattle became the national leader in high school graduation rates for black males?
The Schott Foundation released a report earlier this year that identified the graduation rates for black males across the country. The national average in 2013 was 59%. In Seattle, it was 57%. As educators, we have to do better. But that’s not going to happen if we roll out the same school programs that we’ve […]
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