The Economic Case for Ignoring Black Friday

This news article looks at only ratios of collected data about Black Friday. It concludes that strong sales in Black Friday causes small revenue in a year. This is misleading. When people compare data ratios, they should consider total values as well. It is because ratios alone do not determine a trend. For example, a 10% reduction in revenue trend could be caused by reduction of consumer spending, not necessarily by the increase in Black Friday sales. In addition, it is not fair to look at the overall retail revenue, whereas ignoring the increasing market share of major retailers. In summary, misuse of statistics could be deceiving. I like The Atlantic news articles but am surprised the publication of this article.


Project Tycho digitized 125 years of Public Health and Disease Data

In an unprecedented windfall for public access to health data, University of Pittsburgh Graduate School of Public Health researchers have collected and digitized all weekly surveillance reports for reportable diseases in the United States going back more than 125 years.

Reference: Project Tycho digitized 125 years of Public Health and Disease Data

QlikView Black Friday Shopping Dashboard

Check out this Black Friday shopping dashboard from QlikView. It even includes store hours for the sales events. Very neat!

12 Infographics to Help You Prepare for and Celebrate Thanksgiving

Surrounding yourself with people you love and eating delicious food is a fun and comforting experience. In preparation for a day of appreciation, here are 12 infographics about Thanksgiving.

Reference: 12 Infographics to Help You Prepare for and Celebrate Thanksgiving

Finding Waldo by Visualizing Patterns – Blog About Infographics and Data Visualization

There is a reason about randomness. When things are in random, you just cannot beat the odds. The article spans most of time talking about a cleaver way to find Waldo in a puzzle book. It sounds impressive but there is no obvious pattern you can follow (isn’t this the definition of “randomness”). At the end of the article, there is a video about the experiment. It does not really show the pattern works. But, I do admire the author’s effort trying to find some kind of patter out of randomness.

The longest rivers and the tallest mountains in one exquisite graphic

These are great infographics from 1854. They come together very nicely. Especially, check out the links below.


35 Pictures That Prove The World Isn’t Such A Bad Place

This article provides a very interesting and impressed ideas of helping people out. Check it out.

Reference: 35 Pictures That Prove The World Isn’t Such A Bad Place