Charting. Infovis. Statistics. Silverlight. Data Visualization Framework. Visualization Strategies: Hierarchical Data » Tim Showers - Web. One of the most challenging types of data to convert into a chart or visualization is also one of the most common: Multi-Level or ‘Hierarchical’ data. Perhaps every category of data is composed of sub-categories, or a change in one data point has a major effect on surrounding data, but regardless, the standard library of charts and graphs doesn’t offer much in the way of making hierarchical data clear, so here are a few alternatives: Nested Categories: Treemaps: Recently “Treemap” style charts have come out of their origins in academia into common use.
A personal favorite of mine, they allow aggregate categories to show through without losing the smaller constituent data. Each category is sized according to what percent of the total it takes up, and child categories can be placed inside parents in a similar manner. As usual, Many Eyes leads the pack with excellent treemaps, and even offers a rather unique treemap over time. Multi-Level Pie: Bubble Diagrams: Organizational Hierarchies: 20 Useful Visualization Libraries | A Beautiful WWW. Visualization Strategies: Text & Documents » Tim Showers - W. Whether it’s a campaign speech by a presidential contender, or a 300 page bestselling novel, large bodies of text are among the most requested topics for condensing into an infographic.
The purpose can vary from highlighting specific relations to contrasting points or use of language, but all of the following methods focus on distilling a volume of text down to a visualization. Volumetric Comparisons: Tag Clouds & Wordles: A Tag Cloud from Many Eyes Among the most common visualizations is the so called ‘Tag Cloud‘, which is just a list of words or descriptions that are sized by some relevance measure, usually number of repetitions in the data set.
Tag clouds are often used to highlight and compare themes within the document, such as stripping down a U.S. A Sample Wordle from Closely related to tag clouds are wordles, which are more artistically arranged (and often vibrantly colored) versions of a text. Word Spectrum Diagrams World Spectrum Diagram from the Google Data Set. Info-patterns. Trace Modeler - The easy way to model object interactions and cr. Data Visualization: Modern Approaches.