How to Make Horizon Graphs in R
The relatively new and lesser known time series visualization can be useful if you know what you’re looking at, and they take up a lot less space.
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Calendar Heatmaps to Visualize Time Series Data
The familiar but underused layout is a good way to look at patterns over time.
How to Make (and Animate) a Circular Time Series Plot in R
Also known as a polar plot, it is usually not the better option over a standard line chart, but in select cases the method can be useful to show cyclical patterns.
Interactive Time Series Chart with Filters
Time series charts can easily turn to spaghetti when you have multiple categories. By highlighting the ones of interest, you can direct focus and allow comparisons.