Before you Begin
This tutorial shows you how to create a bar visualization and add a category reference line using a date column.
Background
Oracle Analytics creates a vertical line or vertical band reference when you choose a category column. You can change the reference line's properties such as line pattern, color, and line type. You can change the properties for measure reference lines as well.
Oracle Analytics uses horizontal reference lines with measure columns.
What Do You Need?
- Access to Oracle Analytics
- Download sample_order_lines2023.xlsx to your computer
Create a Dataset
In this section, you add the sample_order_lines2023.xlsx file to Oracle Analytics to create a dataset table.
- Sign in to Oracle Analytics.
- On the Home page, click Create, and then click Dataset.
- In Create Dataset, click Drop data file here or click to browse, select the sample_order_lines2023.xlsx file, and then click Open.
- In Create Dataset Table from sample_order_lines2023.xlsx, click OK.

Description of the illustration sample_order_lines2023_ds.png - Click Save
. In Save Dataset As, enter sample_order_lines2023, and then click OK.
Create a Bar Visualization
In this section, you create a workbook and add a visualization using a measure, Quantity Ordered, and Ship Date.
- Click Create Workbook.
- In the Data
panel, drag Ship Date to the canvas.Oracle Analytics creates a single column table visualization.
- In the Data panel, drag Quantity Ordered to the canvas.
Oracle Analytics adds a column to the table for the Quantity Ordered data.

Description of the illustration qnty_ord_ship_date_table.png - Click Change Visualization Type
and select Bar
.The table visualization changes to a bar visualization.

Description of the illustration bar_vis.png - Click Save
. In Save Workbook, enter qnty_ordered_ship_date_wbkin Name, and click Save.
Add Date Filters
In this section, you add filters to refine the visualization to a period of interest.
- In the Data
panel, expand Ship Date, and drag Ship Date (Year) to the filter bar. - In the Ship Date (Year) filter, click 2022 and then click outside the dialog.

Description of the illustration year_filter.png - In the Data
panel under Ship Date, drag Ship Date (Month) to the filter bar. - In the Ship Date (Month) filter, click July and then click outside the dialog.

Description of the illustration month_filter.png
Add a Category Reference Line
In this section, you add a reference line to the visualization using the Ship Date column.
- Click Properties
. - In Properties, click Analytics
, click Add Statistics
, and then select Reference Line.Oracle Analytics creates a horizontal reference line using the Quantity Ordered measure in the visualization.

Description of the illustration default_measure_ref_line.png - In the Column row, click Quantity Ordered and select Ship Date.
- In the Value row, click the Calendar
and click July 1. The reference line changes to a vertical line using the July 1, 2022 ship date.

Description of the illustration ship_date_ref_line.png
Change the Reference Line's Properties
In this section, you modify the reference line's color, pattern, and line type.
- In Reference properties, click the box
in the Color row. Click a color in the scale, select a hue, and then click OK. The color yellow, #f7f110, provides a good contrast to the visualization's bar color. Your bar visualization might use a different color.

Description of the illustration color_picker.png - Click Dotted in the Pattern row and select Dashed.

Description of the illustration modified_ref_line.png - Click Line in the Type row and select Band.
- Click Calendar
in the From field and click July 1. Click Calendar
in the in the Until field and click July 16.
Description of the illustration band_line_type.png - Click Save
.
Learn More
Add a Category Reference Line to a Bar Visualization in Oracle Analytics
F91579-01
March 2024
Copyright © 2024, Oracle and/or its affiliates.
Learn how to add a category reference line to a bar visualization.
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