Many eyes stack graph tool

This tool from Many Eyes allows the user to input data of their choice and then create a stack graph using two different options.

Stacked graph showing increase in coffee and doughnut prices over time

Source, Many Eyes, 2013

Sources

Many Eyes. (2013). Stack graph guide. Retrieved from http://www-958.ibm.com/software/data/cognos/manyeyes/page/Stack_Graph.html (archived link)

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