Blog Archives

Image Dithering in R

January 22, 2019
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Image Dithering in R

This January I played the most intriguing computer game I’ve played in ages: The Return of the Obra Dinn. Except for being a masterpiece of murder-mystery storytelling it also has the most unique art-style as it only uses black and white pixels. To...

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Yet another visualization of the Bayesian Beta-Binomial model

December 13, 2018
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Yet another visualization of the Bayesian Beta-Binomial model

The Beta-Binomial model is the “hello world” of Bayesian statistics. That is, it’s the first model you get to run, often before you even know what you are doing. There are many reasons for this: It only has one parameter, the underlying pr...

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Yet another visualization of the Bayesian Beta-Binomial model

December 13, 2018
By
Yet another visualization of the Bayesian Beta-Binomial model

The Beta-Binomial model is the “hello world” of Bayesian statistics. That is, it’s the first model you get to run, often before you even know what you are doing. There are many reasons for this: It only has one parameter, the underlying pr...

Read more »

My introductory course on Bayesian statistics

December 12, 2018
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My introductory course on Bayesian statistics

So, after having held workshops introducing Bayes for a couple of years now, I finally pulled myself together and completed my DataCamp course: Fundamentals of Bayesian Data Analysis in R! 😁 While it’s called a course, it’s more like a 4 ...

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A Stan case study, sort of: The probability my son will be stung by a bumblebee

August 14, 2017
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A Stan case study, sort of: The probability my son will be stung by a bumblebee

The Stan project for statistical computation has a great collection of curated case studies which anybody can contribute to, maybe even me, I was thinking. But I don’t have time to worry about that right now because I’m on vacation, being on the yearly visit to my old family home in the north of Sweden. What I do worry...

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Video Introduction to Bayesian Data Analysis, Part 3: How to do Bayes?

May 8, 2017
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Video Introduction to Bayesian Data Analysis, Part 3: How to do Bayes?

This is the last video 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 the other parts yet, I re...

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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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