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15.5. Tag Cloud

In recent years it has become popular to offer data visualizations, or ways to illustrate data. One such mechanism is the tag cloud. Essentially this tool places a number of words in semi-random positions. In a typical tag cloud, the position, size, and color of the words are used to represent the relative strength and relationship of the terms. See Figure 15-6 for a simple example of a tag cloud. Here the text was originally in an unordered list. The tag cloud changes the size and darkness of each element based on a ranking value.

Figure 15.6. This tag cloud features the main topics of this book.



  

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