Blog Archives

Countries of refugees to the US in 2014 and their destinations

November 20, 2015
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A tweet from Kyle Walker introduced me to data from the Office of Refugee Resettlement from the US Department of Health and Human Services. Using multiple R packages such as shiny, rCharts, rcdimple, leaflet, and d3heatmap, this post looks at the count...

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Interactive charts using htmlwidgets

November 10, 2015
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This was a deck used in my presentation to the Inland Northwest R user Group this past Friday (November 6, 2015). The introduction of htmlwidgetshas opened up a wide-range of options for R-users without having the need to pick-up on Java...

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Display of Geographic Data in R

August 18, 2015
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This was a deck used in my presentation to the Inland Northwest R user Group this past Friday (August 14, 2015). It relies on the work done by many folks, including Ari Lamstein, Kyle Walker, Erik Erhardt, and the kind folks at R-Studio. Please click o...

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Air Pollution (PM10 and PM2.5) in Different Cities using Interactive Charts

June 2, 2015
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Gardiner Harris, who is a South Asia correspondent of the New York Times, shared a personal story of his son’s breathing troubles in New Delhi, India, in a recent dispatch titled Holding Your Breath in India. In this post, I use data from the World Health Organization’s Website to identify and map cities where the air quality is...

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Shiny for Interactive Application Development using R

February 2, 2015
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This slidify-based deck introduces the shiny package from R-Studio and walks one through the development of an interactive application that presents users with options to subset the iris dataset, generate a summary of the resulting dataset, a...

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Degrees of Choice: A modification of a WSJ graphic

October 20, 2014
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This post uses ggplot2 and rCharts to modify a grouped bar chart that appeared in an article that appeared online on October 19, 2014 in Wall Street Journal’s site. The article was titled “How to Sell a Liberal-Arts Education”. The code for the Rmarkdown file that generated this post can be found on github.Please click this...

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Degrees of Choice: Modification of WSJ Graphic

October 19, 2014
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Degrees of Choice: Modification of WSJ Graphic

This post uses ggplot2 and rCharts to modify a grouped bar chart that appeared in an article that appeared online on October 19, 2014 in Wall Street Journal’s site. The article was titled “How to Sell a Liberal-Arts Education”. The code for the Rmarkdown file that generated this post can be found on github. The article used the...

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Data Manipulation Using dplyr

September 29, 2014
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This post is my slidify-based presentation on dplyr, a package that provides tools for data manipulation. The idea for this came from a tutorial created by Kevin Markham on this package. After a link to my first presentation on this based on a dataset used in that tutorial (which is also used in R-studio’s introduction to...

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Animated choropleths to visualize mortality rates of children under 5 and gender differences using rMaps

September 17, 2014
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This post displays two animated choropleths. One for global mortality rates for children under 5 (per 1000 live births) and the second for the difference in global mortality rates for males and female children under 5 (per 1000). Please click here:&nbs...

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Using great circles and ggplot2 to map arrival/departure of 2014 US Open Tennis Players

September 17, 2014
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Using great circles and ggplot2 to map arrival/departure of 2014 US Open Tennis Players

Please click on the image for information on how to use R and ggplot2 to generate this plot. 

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