Posts Tagged ‘ Heatmap ’

Canadian winters in cold gray

May 16, 2017
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Canadian winters in cold gray

I was looking at some Canadian data graphics while planning my talk in Vancouver this Thursday (you can register for the free talk here). I love the concept behind the following chart: Based on the forecasted temperature for 2015 (specifically...

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Where but when and why: deaths of journalism

January 26, 2016
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Where but when and why: deaths of journalism

On Twitter, someone pointed me to the following map of journalists who were killed between 1993 and 2015. I wasn't sure if the person who posted this liked or disliked this graphic. We see a clear metaphor of gunshots and...

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Raw data and the incurious

October 21, 2015
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Raw data and the incurious

The following chart caught my eye when it appeared in the Wall Street Journal this month: This is a laborious design; much sweat has been poured into it. It's a chart that requires the reader to spend time learning to...

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Shaking up expectations for pension benefits

May 20, 2015
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Shaking up expectations for pension benefits

Ted Ballachine wrote me about his website Pension360 pointing me to a recent attempt at visualizing pension benefits in various retirement systems in the state of Illinois. The link to the blog post is here. One of the things they...

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What if the Washington Post did not display all the data

April 23, 2015
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What if the Washington Post did not display all the data

Thanks to reader Charles Chris P., I was able to get the police staffing data to play around with. Recall from the previous post that the Washington Post made the following scatter plot, comparing the proportion of whites among police...

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Interactivity as overhead

July 17, 2014
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Interactivity as overhead

Making data graphics interactive should improve the user experience. In practice, interactivity too often becomes overhead, making it harder for users to understand the data on the graph. Reader Joe D. (via Twitter) admires the statistical sophistication behind this graphic...

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How effective visualization brings data alive

May 8, 2014
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How effective visualization brings data alive

Back in 2009, I wrote about a failed attempt to visualize regional dialects in the U.S. (link). The raw data came from Bert Vaux's surveys. I recently came across some fantastic maps based on the same data. Here's one: These...

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Advocacy graphics

April 6, 2014
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Advocacy graphics

Note: If you are here to read about Google Flu Trends, please see this roundup of the coverage. My blog is organized into two sections: the section you are on is about data visualization; the other section concerns Big Data...

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Some chart types are not scalable

March 21, 2014
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Some chart types are not scalable

Peter Cock sent this Venn diagram to me via twitter. (Original from this paper.) For someone who doesn't know genetics, it is very hard to make sense of this chart. It seems like there are five characteristics that each unit...

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Visualization of 2012 Crime Rates of Different States in the US using rCharts

December 15, 2013
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UPDATE: THE BLOG/SITE HAS MOVED TO GITHUB. THE NEW LINK FOR THE BLOG/SITE IS patilv.github.io and THE LINK TO THIS POST IS: http://bit.ly/1pi6mGo. PLEASE UPDATE ANY BOOKMARKS YOU MAY HAVE.In this post, I look at crime rates (per 100,000 people) in 2012...

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