Microsoft open sources SandDance, a visual data exploration tool

For those unfamiliar with SandDance, it was introduced nearly four years ago as a system for exploring and presenting data using “unit visualizations.” Instead of aggregating data and showing the resulting sums as bar charts, SandDance shows every single row of a dataset (for datasets up to ~500K rows). It represents each of these rows as a mark that can be colored and organized into different areas on the screen.

I hadn't been familiar with SandDance before, but I think it's a part of an interesting trend to use visualization to represent all of the data, not just descriptive statistics of the data.


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