New tools for data visualization are frequently released. Many are free, some can be downloaded (vs. web 2.0), and others evolve with time. The ones described below are a fraction of what is available.
You can find more listed on my Pinboard account: https://pinboard.in/u:tlricherson. Use the tags, such as "data," "visualization," and "tools" to filter the results.
Build a story
Prepare your data
Read more about the importance of data quality.
Use Google Refine to "clean" your data sets.
Select a chart
Choosing a Good Chart from the Extreme Presentation Method can help you decide which visualization format best suits your data. This downloadable one-sheet is available in multiple languages. You can also purchase a set of chart choosers about the Graphic Continuum.
A Periodic Table of Visualization Methods gives you several categories and examples of ways to use information, as does the data visualization catalogue.
The original Many Eyes was a web-based tool with a variety of both familiar and unfamiliar ways to visualize both quantitative and qualitative data. IBM is now resuscitating the site as Watson Analytics. Sign-up for an account to get started.
Exploratree gives you many choices for graphic organizers---a great way to begin moving into more visualizations.
The definitive site for free visual tools and devices also includes support tools. It is maintained by Karl Gude of Michigan State University's School of Journalism.
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