Before You Begin
This tutorial shows you how to create a Sankey visualization to depict flows with thick and thin link lines from a source to a target in Oracle Analytics.
Background
You can use a Sankey visualization to show flows such as website traffic flow, project funding to project costs flow, inventory movement, mechanical process efficiency, budget flow, and population migration between states or between countries.
In this tutorial, your data for a Sankey visualization contains source, target, and value columns. The value column represents the weight of the relationship (value) between the source and target columns. Thick and thin lines depict the weight, the thicker the line the larger the value. The data source must contain one record per row.
You can also create a Sankey visualization In Oracle Analytics with a data source that contains two or more attributes and a measure.
In this tutorial, you create a Sankey visualization with a spreadsheet of prepared data.
What Do You Need?
- Access to Oracle Analytics
- Download sample_income_stmt.xlsx to your computer
Create a Dataset
In this section, you create a dataset that has been prepared with values representing the number of links between the source and the target. The number of links between a source and target result in a larger value.
- Sign in to Oracle Analytics.
- On the Home page, click Create. In Create, click Dataset.
- In Create Dataset, click Drop data file here or click to browse. In File Upload, select the sample_income_stmt.xlsx file and click Open.
- In Create Dataset Table from sample_income_stmt.xlsx, click OK.
- Click Save. In Save Dataset As, enter
sample_sankey
in Name and click OK.
Create Sankey Visualization
In this section, you use the sample_sankey dataset as the data source for the Sankey visualization.
- Click Create Workbook. Close the Auto Insights panel.
- In the Data pane, hold down the Ctrl key, select Source, Target, and Value. Right-click, select Pick Visualization, and then select Sankey .
- In the Grammar pane, select Value in Size (Link) and move it to Color (Link).
Instead of width, Value is represented by shade from light to dark. The Sankey visualization has a Value scale showing the range of values.
- Click Properties . On the General tab, click Value in the Group By row and select Column.
- Click Properties . On the General tab, click Column in the Group By row and select Value.
- In the Data pane, hold down the Ctrl key, select Source, Target, and Value. Right-click, select Pick Visualization, and then select Table .
- In the table visualization, click Menu , select Sort By, and then select Custom.
- In Sort Order, select Value from the Sort By list, select High to Low, and then click OK.
Learn More
Create a Sankey Visualization in Oracle Analytics
G10765-01
July 2024
Learn how to create a Sankey visualization in Oracle Analytics.
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