Learning to Data

Tutorials, Books, and Guides

Tutorials

How to Make Symbol-based Glyph Charts, with R Examples

Using geometric shapes as an encoding can provide another dimension to your charts.

How to Make a Heatmap in Excel

Heatmaps quickly translate data tables into a visual form, making them a great tool to explore a new dataset.

How to Untangle a Spaghetti Line Chart (with R Examples)

Put multiple time series lines on the same plot, and you quickly end up with a mess. Here are practical ways to clean it up.

How to Make a Customized Excess Mortality Chart in Excel

Show current evolution against expected historical variability and add one or more series that could account for the difference.

How to Make a Spiral Chart in R

Using a spiral might not be the best way to encode data. But here’s how to do it anyway. Just in case.

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Guides and Tips

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