Blog Archives

Dataviz of the week, 12/4/17

April 12, 2017
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Dataviz of the week, 12/4/17

This week, a chart with some Bayesian polemic behind it. Alexander Etz put this on Twitter: He is working on an R package to provide easy Bayesian adjustments for reporting bias with a method by Guan & Vandekerchhove. Imagine a study … Continue reading →

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Dataviz of the week: 8/3/17

March 8, 2017
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Dataviz of the week: 8/3/17

  Corinne Riddell posted this on Twitter. It’s one version of multiple time series that she tried out, one for each USA state. It’s not the finished article, but is really nice for its combination of that recognisable shape (I … Continue reading →

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So you want to be a Data Science superstar

January 22, 2016
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So you want to be a Data Science superstar

Big house? Five cars? There’s no one universal way to do it, but get a coffee and read on through this bumper post to find your own way with the advice of real experts. Last summer, Mrs G and I … Continue reading →

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Everything you need to make R Commander locally (packages, dependencies, zip files)

October 22, 2015
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Everything you need to make R Commander locally (packages, dependencies, zip files)

I’ve been installing R Commander on laptops for our students to use in tutorials. It’s tedious to put each one online with my login, download it all, then disable the internet (so they don’t send lewd e-mails to the vice-chancellor … Continue reading →

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Showing a distribution over time: how many summary stats?

August 13, 2015
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Showing a distribution over time: how many summary stats?

I saw this nice graph today on Twitter, by Thomas Forth: but the more I looked at it, the more I felt it was hard to understand the changes over time across the income distribution from the Gini coefficient and … Continue reading →

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St Swithun’s Day simulator

July 15, 2015
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St Swithun’s Day simulator

I got a bit bored (sorry Mike), and wrote this. I didn’t take long (I tell you that not so much to cover my backside as to celebrate the majesty of R). First, I estimated probabilities of a day being … Continue reading →

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Roman dataviz and inference in complex systems

May 29, 2015
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Roman dataviz and inference in complex systems

I’m in Rome at the International Workshop on Computational Economics and Econometrics. I gave a seminar on Monday on the ever-popular subject of data visualization. Slides are here. In a few minutes, I’ll be speaking on Inference in Complex Systems, … Continue reading →

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Slice bivariate densities, or the Joy Division “waterfall plot”

October 8, 2014
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Slice bivariate densities, or the Joy Division “waterfall plot”

This has been on my to-do list for a long old time. Lining up slices through a bivariate density seems a much more intuitive way of depicting it than contour plots or some ghastly rotating 3-D thing (urgh). Of course, … Continue reading →

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Transparent hurricane paths in R

October 1, 2014
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Transparent hurricane paths in R

Arthur Charpentier has written a really nice blog post about obtaining hurricane tracks and plotting them. He then goes on to do other clever Markov process models, but as a dataviz guy who knows almost nothing about meteorology, I want to … Continue reading →

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Save your simulation study seeds

September 11, 2014
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Save your simulation study seeds

Here in the Northern hemisphere, gardeners are gathering seeds from their prize-winning vegetables are storing them away for next year’s crop. Today at the 20th London Stata Users’ Group meeting, I learnt a similar trick. It’s strange I never thought … Continue reading →

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