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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

February 26, 2017
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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

This is video two of a three part introduction to Bayesian data analysis aimed at you who isn’t necessarily that well-versed in probability theory but that do know a little bit of programming. If you haven’t watched part one yet, I really recomme...

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Video Introduction to Bayesian Data Analysis, Part 1: What is Bayes?

February 12, 2017
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Video Introduction to Bayesian Data Analysis, Part 1: What is Bayes?

This is video one of a three part introduction to Bayesian data analysis aimed at you who isn’t necessarily that well-versed in probability theory but that do know a little bit of programming. I gave a version of this tutorial at the UseR 2015 conf...

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Beginners Exercise: Bayesian Computation with Stan and Farmer Jöns

January 14, 2017
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Beginners Exercise: Bayesian Computation with Stan and Farmer Jöns

Over the last two years I’ve occasionally been giving a very basic tutorial to Bayesian statistics using R and Stan. At the end of the tutorial I hand out an exercise for those that want to flex their newly acquired skills. I call this exercise Bay...

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A Fun Gastronomical Dataset: What’s on the Menu?

September 20, 2016
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A Fun Gastronomical Dataset: What’s on the Menu?

I just found a fun food themed dataset that I’d never heard about and that I thought I’d share. It’s from a project called What’s on the menu where the New York Public Library has crowdsourced a digitization of their collection of historical ...

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How I made some Pokémon Business Cards

September 14, 2016
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How I made some Pokémon Business Cards

As I’m in the industry now I figured I needed some business cards and as it seems the 90s never left us and Japanese monsters are hip again, I decided to make them Pokémon themed. I think they turned out pretty well, and here I’m just going ...

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Bayesian Bootstrap: The Movie + Some Highlights from UseR! 2016

July 20, 2016
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Not surprisingly, this year’s UseR! conference was a great event with heaps of talented researchers and R-developers showing off the latest and greatest R packages. (A surprise visit from Donald Knuth didn’t hurt either.) What was extra great thi...

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How to Cut Your Planks with R

June 12, 2016
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How to Cut Your Planks with R

Today I’m extraordinarily pleased because today I solved an actuall real world problem using R. Sure, I’ve solved many esoteric statistical problems with R, but I’m not sure if any of those solutions have escaped the digital world and made some impact ex silico. It is now summer and in Sweden that means that many people tend to overhaul...

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bayesboot: An R package for doing the Bayesian bootstrap

February 19, 2016
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bayesboot: An R package for doing the Bayesian bootstrap

I recently wrapped up a version of my R function for easy Bayesian bootstrappin’ into the package bayesboot. This package implements a function, also named bayesboot, which performs the Bayesian bootstrap introduced by Rubin in 1981. The Bayesian bootstrap can be seen as a smoother version of the classical non-parametric bootstrap, but I prefer seeing the classical...

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bayes.js: A Small Library for Doing MCMC in the Browser

December 30, 2015
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Bayesian data analysis is cool, Markov chain Monte Carlo is the cool technique that makes Bayesian data analysis possible, and wouldn’t it be coolness if you could do all of this in the browser? That was what I thought, at least, and I’ve now made bayes.js: A small JavaScript library that implements an adaptive MCMC sampler and a...

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A Bayesian Model to Calculate Whether My Wife is Pregnant or Not

November 5, 2015
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A Bayesian Model to Calculate Whether My Wife is Pregnant or Not

On the 21st of February, 2015, my wife had not had her period for 33 days, and as we were trying to conceive, this was good news! An average period is around a month, and if you are a couple trying to go triple, then a missing period is a good sign something is going on. But at 33...

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