FlowingData is the visualization and statistics site that shows different applications of data analysis. The blog is written by Nathan Yau, a PhD candidate in UCLA. Nathan wants to make data useful for even those who are not very data savvy through effective use of visualization techniques.
Here is an example of Nathan’s experiments with data visualization.
Jason has a kanck of finding interesting information on the net. Here is an example.
Other useful blogs on analytics featured by us so far: