Cyclical data example

[jbednar]

Some data has an associated period that should be taken into account for visualizations. For instance, patterns may repeat according to a certain pattern based on the hour of the day, day of the week, month of the year, etc., or according to some non-calendar-based timeline.

We should make an example of plotting such data, first for a fixed, known timebase, and then possibly for exploring possible timebases interactively (akin to Fourier analysis, i.e. plotting across a range of periodicities).

Tasks:

• Select suitable dataset (e.g. NYC Taxi, for calendar-based periods)
• Make or update notebook showing how to fold the data across periods
• Make an example showing how to search the space of possible periods to discover temporal patterns

See also #104.