Friday, February 22, 2013

Data link roundup (week of February 22, 2013)

The week's top data analysis links...

GPA BY OSMOSIS

It appears network effects are statistically significant predictor of grade point average in high school students.


GET YOUR SHOTS

Using data from the U.S. Centers for Disease Control and Prevention, analyst Leon Farrant illustrates the effectiveness of vaccinations.
Source: Leon Farrant with data from CDC


INFOGRAPHIC ANALYSIS

Randy Krum, of Cool Infographics, analyzes the strengths and weaknesses of the informational graphics included in the "enhanced State of the Union" address. Krum's piece includes useful reminders for all data analysts and visualization specialists.
"One of the biggest risks with data visualizations and infographics is what I call the Risk of Negative Impression.  The idea is that while good visuals can quickly leave a good impression with your audience, if your visualizations are incorrect or flawed, you can leave a bad impression just as quickly and effectively."


BEST CHART MAP OF THE WEEK

"Missed Connections" are personal ads posted on Craigslist in hopes of connecting with someone seen but not spoken to. (Or spoken to with no way to follow up...) The ads generally list the day, time, and location of the missed connection.
Source: Buzzfeed

Dorothy Gambrell mapped the frequency of misses by location, based on the state where the ad was posted.

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