Blog Archives

qdap 1.1.0 Released on CRAN

February 23, 2014
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qdap 1.1.0 Released on CRAN

We’re very pleased to announce the release of qdap 1.1.0 This is the fourth installment of the qdap package available at CRAN. Major development has taken place since the last CRAN update. The qdap package automates many of the tasks … Continue reading →

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Sochi Olympic Medals

February 9, 2014
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Sochi Olympic Medals

For those who are addicted to R and haven’t the time to click the mouse on a web browser you too can still be informed about the results of the 2014 Sochi Winter Olympics. I was inspired by a SO … Continue reading →

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Sentence Drawing: Part II

December 23, 2013
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Sentence Drawing: Part II

In a recent blog post I introduced Stefanie Posavec‘s Sentence Drawings. We created this ggplot2 rendition: We left off weighing the aesthetics of the Sentence Drawing with information of quality visualizations. I asked others to think of ways to display … Continue reading →

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Sentence Drawing: Function vs. Art

December 8, 2013
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Sentence Drawing: Function vs. Art

I recently was reading the book “Functional Art” and came across the work of Stefanie Posavec. Her Sentence Drawings (click here to see and click here to learn) caught my attention. Here is a ggplot2 rendition: From what I understand … Continue reading →

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Correspondence Analysis in R

November 6, 2013
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Correspondence Analysis in R

Correspondence analysis (from a layman’s perspective) is like principal components analysis for categorical data. It can be useful to discover structure in this type of data. My friend Gianmarco Alberti, an archaeologist, has put together an in depth web site … Continue reading →

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paste, paste0, and sprintf

September 14, 2013
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paste, paste0, and sprintf

I find myself pasting urls and lots of little pieces together lately. Now paste is a standard go to guy when you wanna glue some stuff together. But often I find myself pasting and getting stuff like this: Rather than … Continue reading →

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GitHub Package Ideas I Stole

August 31, 2013
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GitHub Package Ideas I Stole

One of my favorite sources of good ideas is looking at the GitHub repositories of others and modeling my repos after the good ideas I see others doing. Here's Steve Jobs on stealing ideas: In the past few weeks I've … Continue reading →

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How do I re-arrange??: Ordering a plot revisited

August 14, 2013
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How do I re-arrange??: Ordering a plot revisited

Back in October of last year I wrote a blog post about reordering/rearanging plots. This was, and continues to be, a frequent question on list serves and R help sites. In light of my recent studies/presenting on The Mechanics of … Continue reading →

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ggplot2 Chloropleth of Supreme Court Decisions: A Tutorial

July 4, 2013
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ggplot2 Chloropleth of Supreme Court Decisions: A Tutorial

I don't do much GIS but I like to. It's rather enjoyable and involves a tremendous skill set. Often you will find your self grabbing data sets from some site, scraping, data cleaning and reshaping, and graphing. On the ride … Continue reading →

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The Mechanics of Data Visualization

July 2, 2013
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The Mechanics of Data Visualization

I recently presented about the mechanics of data visualization at the CLaRI Literacy Conference to a group of researchers, teachers and school administrators. The presentation is based on the work of Few (2012; 2009). While the presentation itself is not about … Continue reading →

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