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Specifying time hierarchies

Time data is by nature structured hierarchically. When specifying a column with dates and times in a column selector, you have the option to change the default linear series of dates to a hierarchical view of dates in form of years, quarters, months, weeks, and days.



In the hierarchy, dragging a slider lets you change the level of detail.

If you select a column with time data on an axis, a linear series of the data is displayed.

To change to a hierarchical view of the time data, do as follows:

Prerequisites

A column with time data is selected in the column selector.

Procedure

  1. In the column selector, click the arrow next to the column name.
    A popover listing all columns opens. Time data columns have arrows indicating they can be expanded.
  2. To expand a list of time display options, click the time data column in question.
    The options in the rectangle offer different time hierarchies.

  3. Select the hierarchy.
    A time hierarchy with a slider appears on the axis.
  4. Click anywhere outside the popover to close it.

Example

The line chart illustrates a time hierarchy with two levels: year and quarter. You can switch between the two levels by dragging the slider handle to the end points.

You get a more detailed view of the same data by selecting a hierarchy with more levels, for example, year, quarter and month. This slider also offers a middle hierarchy level.

Note: If you move the slider handle one step to the left, that is, to the quarter level in the hierarchy, the lines above appear identical.

Using a different version of Spotfire?
This help describes the web client version of Spotfire on TIBCO Cloud™. If you're looking for documentation for the installed client or other versions of Spotfire, visit the TIBCO Documentation Portal.

There you can find help for your version of Spotfire Analyst or Spotfire Business Author.