Periodogram

Visualize time series’ cycles, seasonality, periodicity, and most significant periods.

Inputs

  • Time series: Time series from the File or as output by As Timeseries widget.

In this widget, you can visualize the most significant periods of the time series.

../_images/periodogram.png

  1. Select the series to calculate the periodogram for.

Periodogram for non-equispaced series is calculated using Lomb-Scargle method.

Example

Here is a simple example on how to use the Periodogram widget. We have passed the Yahoo Finance data to the widget and plotted the periodicity of Amazon stocks for the past 6 years.

../_images/Periodogram-Example.png

See also

Correlogram