1857 search results for "ggplot2"

Machine Learning for Hackers

February 16, 2012
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Machine Learning for Hackers

"Machine Learning for Hackers" is a new book from O'Reilly Media by Drew Conway and John Myles White. A "hacker", here, is "someone who likes to solve problems and experiment with new technologies", and "Machine Learning" is usually thought of as a black-box, algorithmic approach to producing predictions or classifications from data. This book, however, takes a pleasingly statistical...

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Revolution Newsletter: February 2012

February 15, 2012
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full February edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Revolution Analytics Welcomes New CEO, Dave Rich. Dave joins the Revolution team from Accenture...

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R-Bloggers Steadily Growing

February 15, 2012
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R-Bloggers Steadily Growing

Description: Number of blogs aggregated into the R-Bloggers news site. Data: http://www.r-bloggers.com/ Analysis: R-Bloggers is a website devoted to news and tutorials related to the R programming language. The content is generated by a growing ...

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If you have to use circles…

February 15, 2012
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If you have to use circles…

Stats Chat is an interesting kiwi site—managed by the Department of Statistics of the University of Auckland—that centers around the use and presentation of statistics in the media. This week there was an interesting discussion on one of those infographics … Continue reading →

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More Thoughts on Potential Audience Metrics for Hashtag Communities

February 10, 2012
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More Thoughts on Potential Audience Metrics for Hashtag Communities

Following on from the sketched ideas relating to estimating the Potential Audience Size for a Hashtag Community?, here are a few quick doodles around the graph representation of the tag users – followers graph that explore the extent to which we can use quite simple counts and analyses to get a feel for how the

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Revisiting homicide rates

February 10, 2012
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Revisiting homicide rates

A pint of R plotted an interesting dataset: intentional homicides in South America. I thought the graphs were pretty but I was unhappy about the way information was conveyed in the plots; relative risk should be very important but number … Continue reading →

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R charts used for analysis at Politico

February 10, 2012
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R charts used for analysis at Politico

Zack Abrahamson, the "data whiz" at political analysis site Politico, is apparently an R user. Politico's Feb 10 2012 chart of the day clearly uses the ggplot2 graphics package and (quoting Politico) looks into the disenchanted slice of the GOP that’s not engaged with its party’s primary. And that slice doesn’t like Mitt Romney. People say turnout's down. When...

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Daily casualties in Syria

February 9, 2012
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Daily casualties in Syria

Every new day brings its statistics of new deaths in Syria… Here is an attempt to learn about the Syrian uprising by the figures. Data vary among sources: the Syrian opposition provides the number of casualties by day (here on Dropbox), updated on 8 February 2012, with a total exceeding 8 000. We note first

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Intentional Homicide in South America 1995-2010

February 9, 2012
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Intentional Homicide in South America 1995-2010

Intentional homicide is defined as unlawful death purposefully inflicted on a person by another person. The source of this stat is The United Nations Office on Drugs and Crime (UNODC). I created the above image using ggplot2 which does 98% of the leg-work in most cases. Count is the number of homicides in a calendar year

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We Keep Our Vehicles Longer

February 8, 2012
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We Keep Our Vehicles Longer

Description: Average age of passenger cars and light trucks in the United States since 1995. The gray area represents the possible variance of the trend line with 95% confidence. Data: https://www.polk.com/company/news/average_age_of_vehicles_...

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