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Browsing Visualizations is an interesting site from IBM. You can see data sets displayed in several different ways, including information superimposed on a world map, bubble plots and tag clouds.

Topics for the visualizations range from population density and growth, state killings of the 20th century, free trade, amount of nickel in food, age of founders of high tech companies, and so on.

From their About page:

Many Eyes is a bet on the power of human visual intelligence to find patterns. Our goal is to “democratize” visualization and to enable a new social kind of data analysis.

The visualization is Java-based and therefore can be a bit slow to load. But it is worth the wait.

In true Web 2.0 fashion, users provide the data and create the visualization.

So I thought I better do one. I uploaded usage statistics for the e-learning course that I am currently facilitating. There are 15 participants involved (Person A to Person O) and their participation for the 1st to 23rd April is charted on a bubble plot.

e-Learning Participation

Interestingly, while I was typing this, someone else used my data and created another visualization:

Since the data supplied to Many Eyes is by users and not verified, you cannot be sure that what you see is true.

The one that will make some of you uncomfortable is Estimated IQ by State (USA).

There are hundreds of visualizations in this site - certainly worth a look. And certainly worth uploading your own data and playing with it. They have made it very easy to add your own data. An impressive site.

Update: I added some more, indicating browser use by visitors to the Interactive Mathematics site (most recent 100,000 visits).

Bubble chart and Treemap.

Update 2: The e-learning course is over now and I have updated the data sets. You can see:

Bar chart by date
Bar chart by person
Category stack graph
Activity by Time of Day
Activity by Day of Week