There's a post on David Mimno's blog today titled, "Data Carpentry".I like it a lot, because it emphasises just how much effort, time and creativity can be required in order to get one's data in order before we can get on with the fun stuff ...

I use SwiftKey on my Android phone all the time. So I was super pumped up when they agreed to partner with us on the first Capstone course for the Johns Hopkins Data Science Specialization to run in October 2014. To enroll … Continue reading →

Baby Name Wizard is all over this one. And this all makes me wonder: is there a psychology researcher somewhere with a dog named Stroopy? Probably so. P.S. I just made the mistake of googling “Stroopy.” Don’t do it. I was referri...

Some of the comments engendered by the Black Swan post remind me of something I've wanted to say for a while: In sharp contrast to much popular perception, the financial crisis wasn't caused by models or modelers.Rather, the crisis was c...

Below are a bunch of little things I typically mention at some point when I’m teaching my class on how to teach. But my new approach is to minimize lecturing, and certainly not to waste students’ time by standing in front of a group of them, telling them things they could’ve read at their own […] The post Some quick disorganzed tips on classroom teaching appeared first on Statistical Modeling,…

Mon: Some quick disorganzed tips on classroom teaching Tues: Stroopy names Wed: “A hard case for Mister P” Thurs: The field is a fractal Fri: Replication Wiki for economics Sat, Sun: As Chris Hedges would say: Stop me if you’ve heard t...

GEFCom 2014 is the most advanced energy forecasting competition ever organized, both in terms of the data involved, and in terms of the way the forecasts will be evaluated. So everyone interested in energy forecasting should head over to the competition webpage and start forecasting: www.gefcom.org. This time, the competition is hosted on CrowdANALYTIX rather than Kaggle. […]

Despite the fact that Fisherians and Neyman-Pearsonians alike regard observed significance levels, or P values, as error probabilities, we occasionally hear allegations (typically from those who are neither Fisherian nor N-P theorists) that P values are actually not error probabilities. The denials tend to go hand in hand with allegations that P values exaggerate evidence against […]

Navigation gets you from where you are to where you want to be. Speaking of navigation, you can jump to selected sections of this post: Navigation; R-bloggers; Task views; Rdocumentation.org; sos package; ??; apropos; ls; methods; getAnywhere; :::; find; args; grep; %in%; str; getwd; file.choose; Spyglass summary; browser; See also. Overview Figure 1: A map […] The post 21 R navigation tools appeared first on Burns Statistics.

Stat 6103, Bayesian Data Analysis, TuTh 1-2:30 in room 428 Pupin Hall: We’ll be going through the book, section by section. Follow the link to see slides and lecture notes from when I taught this course a couple years ago. This course has a serious workload: each week we have three homework problems, one theoretical, […] The post My courses this fall at Columbia appeared first on Statistical Modeling, Causal…

Since we began offering the Johns Hopkins Data Science Specialization we've noticed the unbelievable passion that our students have about our courses and the generosity they show toward each other on the course forums. Many students have created quality content around the subjects … Continue reading →

An emailer writes:Dear Prof. Kruschke,Hello. My name is ... and I am ... . I'm trying to apply Bayesian theorem in developing a model of ... . I used your code to estimate posterior distribution without any trouble. Here is my question. Would you ki...

Lee Wilkinson writes: I thought you might be interested in this post. I was asked about this by someone at Skytree and replied with this link to Tyler Vigen’s Spurious Correlations. What’s most interesting about Vigen’s site is not his video (he doesn’t go into the dangers of correlating time series, for example), but his […] The post “Psychohistory” and the hype paradox appeared first on Statistical Modeling, Causal Inference,…

I have neglected to acknowledge the good folks who have posted reviews of my books in the last several months. Thank you, readers! *** Tom Peters, the business guru and author of the business classic In Search of Excellence, tweeted about Numbersense: "On my 13-hour Boston-Dubai flight, I re-read cover-2-cover Kaiser Fung's superb-useful-fun book Number Sense". Numbers Rule Your World is #7 on Gregory Ciotti's list of 25 underrated books…