Theme River charts

A theme river is a specialized flow graph that shows changes over time.

Creating a simple theme river chart

  1. In the Chart Type section, click the Theme River icon.

    The canvas updates to display a theme river chart template.

  2. Select an X-axis variable.
  3. Select a Category variable.
    Restriction: If a category field has more than 50 distinct categories, only the first 50 maximum categories are used as events in the chart.
  4. Click the Save visualization in the project control. Select Create a new asset or Append to existing asset. Provide a Visualization asset name, an optional description, and a chart name.
  5. Click Apply to save the visualization to the project. The new visualization asset is now available on the Assets tab.

Options

X-axis
Lists variables that are available for the X-axis.
Order based on
Depending on the X-axis value you select, you might be able to specify whether the category order is based on category name or category value.
Category order
Depending on the X-axis value you select, you might be able to specify whether the category order is ascending, descending, or as read from the data set.
Category
Lists variables that are available as categories.
Summary
Select a statistical summary function (the method that is used for summarizing each category).
Two types of statistical summary functions are available. The distinction is important because it determines whether you need to specify a Value variable.
  • Functions that do not require a value variable. Functions that do not require a variable. All count and percentage statistics are in this category. These statistics are available when the Value variable is not defined.
  • Functions that do require a value variable. Functions that do require a Value variable. For example, the Mean function requires a variable on which the mean is calculated. These statistics are available when the Value variable is not defined.
Value
This field displays when a Summary function that requires a value variable, is selected. Select a variable to serve as the value.
Legend orient
Sets the chart legend orientation. Available options are Horizontal, Vertical, and Vertical bottom.
Primary title
The chart title.
Subtitle
The chart subtitle.
Footnote
The chart footnote.