364 search results for "ANIMATION"

ggvis tutorial: become a data visualization expert with RStudio

January 14, 2016
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The latest interactive course in the RStudio track is now available on DataCamp: ggvis tutorial. The first part of the tutorial is available for  free, so everyone can now learn interactively how to start creating stunning ggvis data visualizations in R. All courses in the RStudio track are self-paced, and combine challenging interactive...

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A Tale of Twenty-Two Million Citi Bikes: Analyzing the NYC Bike Share System

January 13, 2016
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A Tale of Twenty-Two Million Citi Bikes: Analyzing the NYC Bike Share System

In the conclusion of my post analyzing NYC taxi and Uber trips, I noted that Citi Bike, New York City’s bike share system, also releases public data, totaling 22.2 million rides from July 2013 through November 2015. With the recent news that the Citi Bike system topped 10 million rides in 2015, making it one...

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Visualing High Dimensions as DNA Strands

January 10, 2016
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Visualing High Dimensions as DNA Strands

For a community project, I needed to research which U.S. cities were most similar to mine. The U.S. census has some wonderful data that covers 1,579 statistical areas, using the Office of Management & Budget's definition.With this data, I selected the relevant attributes and then calculated the root mean squared error of the scaled distances from the target city...

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High Flows in Lower Columbia River near Portland, OR

January 9, 2016
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High Flows in Lower Columbia River near Portland, OR

After I completed the animated tidal water surface elevation plots for the Delaware Estuary, I looked for other systems with a good set of tidal observation stations.  The Lower Columbia River near Portland, Oregon fit the bill.  Using the NO...

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Animated 3D Plot of Ammonia Toxics Criteria

January 7, 2016
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Animated 3D Plot of Ammonia Toxics Criteria

In 2013, EPA published final national recommended water quality criteria for the protection of aquatic life from the toxic effects of ammonia in freshwater.http://www.epa.gov/wqc/aquatic-life-criteria-ammoniaThese criteria are a function of water ...

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Color Quantization in R

January 3, 2016
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Color Quantization in R

In this post, we'll look at a simple method to identify segments of an image based on RGB color values. The segmentation technique we'll consider is called color quantization. Not surprisingly, this topic lends itself naturally to visualization and R makes it easy to render some really cool graphics for the color quantization problem. ...

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Analyzing networks of characters in ‘Love Actually’

December 25, 2015
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Analyzing networks of characters in ‘Love Actually’

Every Christmas Eve, my family watches Love Actually. Objectively it’s not a particularly, er, good movie, but it’s well-suited for a holiday tradition. (Vox has got my back here). Even on the eighth or ninth viewing, it’s impressive what an intricate network of characters it builds. This got me wondering how we could visualize the connections quantitatively, based...

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Update to metricsgraphics 0.9.0 (now on CRAN)

December 21, 2015
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It’s been a while since I’ve updated my metricsgraphics package. The hit list for changes includes: Fixes for the new ggplot2 release (metricsgraphics uses the movies data set which is now in ggplot2movies) Updated all javascript libraries to the most recent versions Borrowed the ability to add CSS rules to a widget from taucharts (mjs_add_css_rule)

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Fear of WaPo Using Bad Pie Charts Has Increased Since Last Year

December 13, 2015
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Fear of WaPo Using Bad Pie Charts Has Increased Since Last Year

I woke up this morning to a headline story from the Washington Post on “Americans are twice as willing to distance Christian extremists from their religion as Muslims“. This post is not about the content of the headline or story. It is about the horrible pie chart WaPo led the article with: This isn’t just

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Plotting Scopus article level citation data in R

December 13, 2015
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(This article was first published on The 20% Statistician, and kindly contributed to R-bloggers) The Royal Society has decided to publish journal citations distributions. This makes sense. The journal impact factor is a single number trying to summarize a distribution, but it’s almost always better to plot your data. Somehave been hopeful that visualizing such distributions will make it...

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