Spiralogram

../_images/spiralogram.png

Visualize variables’ auto-correlation.

Signals

Inputs

Description

In this widget, you can visualize the autocorrelation coefficients for selected time series.

../_images/spiralogram-stamped.png
  1. Unit of the vertical axis. Options are: years, months, or days (as present in the series); months of year, days of week, days of month, days of year, weeks of year, weeks of month, hours of day, minutes of hour.
  2. Unit of the radial axis (options are the same as for (1)).
  3. Aggregation function. The series is aggregated on intervals selected in (1) and (2).
  4. Select the series to include.

See also

Aggregate

Example

In the example image above that shows traffic for select French highways, we see a strong seasonal pattern (high summer) and somewhat of an anomaly on July 1992. In this month, there was an important trucker strike in protest of new road laws.