Blog Archives

Statswars

February 7, 2019
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Statswars

I am stuck at home sick today, so I decided to provide a relational analysis of the Stats Package Wars that have been bubbling away for the past week. True in all its details. If you want something slightly more constructive, consider The Plain Person’s Guide to Plain-Text Social Science.

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Dataviz Course Packet Quickstart

January 2, 2019
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Dataviz Course Packet Quickstart

Chapter 2 of Data Visualization walks you through setting up an R Project, and takes advantage of R Studio’s support for RMarkdown templates. That is, once you’ve created your project in R Studio, can choose File __ New File __ R Markdown, like this: Select R Markdown … And then choose “From Template”...

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French Mortality Poster

December 27, 2018
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French Mortality Poster

Based on the heatmaps I drew earlier this month, I made a poster of two centuries of data on mortality rates in France for males and females. It turned out reasonably well, I think. I will probably get it blown up to a nice large size and put it up on the wall. I’ve had very good results with...

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Teaching and Learning Materials for Data Visualization

December 12, 2018
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Teaching and Learning Materials for Data Visualization

Data Visualization: A Practical Introduction will begin shipping next week. I’ve written an R package that contains datasets, functions, and a course packet to go along with the book. The socviz package contains about twenty five datasets and a number of utility and convenience functions. The datasets range in size from things with just a few rows (used for...

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Canada Map

December 9, 2018
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Canada Map

I taught my Data Visualization seminar in Philadelphia this past Friday and Saturday. It covers most of the content of my book, including a unit on making maps. The examples in the book are from the United States. But what about other places? Two of the participants were from Canada, and so here’s an example that walks through the...

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Heatmaps of Mortality Rates

December 4, 2018
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Heatmaps of Mortality Rates

As part of the run-up to the release of Data Visualization (out in about ten days! Currently 30% off on Amazon!), I’ve been playing with graphing different kinds of data. One great source of rich time-series data is mortality.org, which hosts a collection of standardized demographic data for a large number of countries. Mortality rates are often interesting to...

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Zero Counts in dplyr

November 19, 2018
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Zero Counts in dplyr

Here’s a feature of dplyr that occasionally bites me (most recently while making these graphs). It’s about to change mostly for the better, but is also likely to bite me again in the future. If you want to follow along there’s a GitHub repo with the necessary code and data. Say we have a data frame or tibble and we...

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Congress Over Time

November 17, 2018
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Congress Over Time

Since the U.S. midterm elections I’ve been playing around with some Congressional Quarterly data about the composition of the House and Senate since 1945. Unfortunately I’m not allowed to share the data, but here are two or three things I had to do with it that you might find useful. The data comes as a set of CSV files, one...

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Spreading Multiple Values

November 6, 2018
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Earlier this year my colleague Steve Vaisey was converting code in some course notes from Stata to R. He asked me a question about tidily converting from long to wide format when you have multiple value columns. This is a little more awkward than it should be, and I’ve run into the issue several times since then. I’m writing...

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Visualizing the Baby Boom

April 10, 2018
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Visualizing the Baby Boom

To close out what has become demography week, I combined the US monthly birth data with data for England and Wales (from the same ONS source as before), so that I could look at the trends together. The monthly England and Wales data I have to hand runs from 1938 to 1991. I thought combining the monthly tiled heatmap...

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