Posts Tagged ‘ visualization ’

Top 15 Daily Tweeters of #25bahman for the Past Five Days

February 16, 2011
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Top 15 Daily Tweeters of #25bahman for the Past Five Days

My friend Michael Bommarito has been doing the data community quite a service, capturing and sharing all of the traffic on Twitter related to the Iranian protests. Specifically, he has all of the tweets containing the #25bahman hast-tag, and made them available for anyone to download. I am unable to resist the temptation to explore a

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Building a Better Word Cloud

January 27, 2011
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Building a Better Word Cloud

A few weeks ago I attended the NYC Data Visualization and Infographics meetup, which included a talk by Junk Charts blogger Kaiser Fung. Given the topic of his blog, I was a bit shocked that the central theme of his talk was comparing good and bad word clouds. He even stated that the

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How to label all the outliers in a boxplot

January 27, 2011
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How to label all the outliers in a boxplot

In this post I offer an alternative function for boxplot, which will enable you to label outlier observations while handling complex uses of boxplot.

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Building a fact-based world view

January 7, 2011
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Building a fact-based world view

Gapminder is an independent foundation based in Stockholm, Sweden. Its mission is “to debunk devastating myths about the world by offering free access to a fact-based world view“. They provide free online tools, data (more than 400 datasets freely available!) and videos “to better understand the changing world“. The initial development of Gapminder was the

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A Very Data Christmas

December 21, 2010
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A Very Data Christmas

This week Google announced its Ngram Viewer, which allows you to explore the use of words in thousands of texts overtime, going back two hundred years. Given the relatively long time period covered by this massive data set, it is fun to explore how language has changed overtime. Some texts, however, seem to transcend time.

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Area plots unmasked

December 15, 2010
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Area plots unmasked

RESULTS OF THE GREAT AREA PLOT QUIZ If you are the type of reader who remembers things from last week, you may remember the great area plot quiz we had running. This week, we are excited to announce that the results are in. The plot above shows answers to the four questions. The correct answers

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Fun with infochimps: Animated Blog Post Hit Map

December 3, 2010
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In a few weeks I will be visiting Chicago, and JD Long—the organizer of the local R users group—has graciously invited me to give a presentation. Ostensibly, the presentation will be on my recently released infochimps package, so I thought it was a good time to start actually putting together some examples and documentation for

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Co-authorship Network of SSRN Conflict Studies eJournal

November 10, 2010
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As part of my on-going research simulating network structure using graph motifs I have been collecting novel data sets to test and benchmark the method. Since I am a political scientist studying conflict, it was suggested to me to collect a co-authorship network within this sub-discipline. Such a network is useful for several reasons;

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Where People Share Links About NYC

October 27, 2010
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Where People Share Links About NYC

Last week I participated in bit.ly’s fourth hackabit hack-a-thon, which is a wonderful opportunity for NYC area hackers to get together, eat pizza, drink energy drinks, and stay up late hacking with some of the best data geeks around. I was lucky enough to saddle up next to Hilary Mason, bit.ly’s lead scientist, recently named

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R GUI now offers interactive graphics – Deducer 0.4-2 connects with iplots

October 24, 2010
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R GUI now offers interactive graphics – Deducer 0.4-2 connects with iplots

Earlier today, Ian Fwllows has announced the release of Deducer 0.4-2 and DeducerExtras 1.2 to CRAN (I copy his announcement here): Deducer 0.4-2 contains a few bug fixes, and an interface to the iplots package. With the new iplots interface it is now possible to do interactive plots with Deducer. An introductory example screen cast

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