Blog Archives

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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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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Studying Ted Talks, Anscombe’s Quartet, and Modern Languages Enrollment

June 17, 2014
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While the feed from a newer github/jekyll blogging platform (patilv.github.io) is registered with blog aggregators, here are snippets of three posts that were recently published at the new site. Please click on the titles to visit the corresponding page. 1. Frequent Speakers at Ted and Word Cloud of Talk Titles A recent article in openculture.com by Dan Colman mentioned...

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Enrollments in US in Different Languages using rCharts and ggplot2

May 9, 2014
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(This article was first published on Adventures in Analytics and Visualization, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Adventures in Analytics and Visualization. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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Choropleths and Bar charts of State Wise Potentially Preventable Deaths using googleVis and shiny

May 4, 2014
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(This article was first published on Adventures in Analytics and Visualization, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Adventures in Analytics and Visualization. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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Scraping Pro-Football Data and Interactive Charts using rCharts, ggplot2, and shiny

February 10, 2014
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This post uses pro-football (American) boxscore data from 1966 through 2013 and generates few interactive charts using rCharts, ggplot2 and shiny.  It also provided a first time exposure to the power of dplyr. Data for these charts were scraped fr...

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Animated choropleths using animation, ggplot2, rCharts, googleVis and Shiny to visualize violent crime rates in different US States across 5 decades

January 17, 2014
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This post uses animated choropleths to visualize violent crime rates in different US States across 5 decades (1961-2010). Data are retrieved from Quandl.  Animation of rCharts and googleVis based choropleths is done in the shiny server environment...

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