Displaying Product Sales by Quarter

Jaspersoft OLAP is well suited to comparing numeric data across a period of time or by product category. That’s how we’ll answer our example question about snack food sales.

To open the sample OLAP view:

1. Click View>Repository to display the Repository panel.
2. In the Folders panel, expand the folder Organization > Analysis Components > Analysis Views.

A list of OLAP views appears in the Repository panel.

3. Double-click to open Foodmart Sample Analysis View.

The default navigation table appears along with the Jaspersoft OLAP tool bar.

FoodMart Sample OLAP View

To find the quarterly sales dollar amount in 2012 for stores in California:

1. Click the Change Data Cube tool bar button: .

The Change Data Cube dialog appears.

Change Data Cube

The Change Data Cute dialog includes the following sections:

     Columns
     Rows
     Filters
2. Next to the Time filter, click the Move to Columns icon to make Time a column.

Adding a Time Column

3. In the Columns section, click Time to open a tree displaying the dimension members.
4. Expand Time by clicking next to it, and select 2012.

Defining the Time Filter

5. Click OK to close the tree and return to the Change Data Cube dialog.

Changes you make in the Change Data Cube dialog aren’t applied to the view until you click OK again to close the dialog. Thus, while the Change Data Cube dialog is open, the view won’t match your selections in the dialog.

6. In the Change Data Cube dialog, click Store in the Filter list to change the filter.

The Store filter appears.

7. Expand All Stores by clicking next to it, then expand USA, and select CA.

Defining the Store Filter

8. Click OK to close the tree and return to the Change Data Cube dialog.
9. Click Measures and clear the check boxes next to Unit Sales and Store Cost to remove them.
10. Click OK to accept the selections and close the Measures list, then click OK again to close the dialog.

Jaspersoft OLAP updates the view to match your selections. It is now filtered to show only the sales data for stores in California.

2012 Store Sales Volume for Snacks at California Stores

11. Ensure that Zoom on Drill is active by checking whether its icon is pressed:
     When Zoom on Drill is active, its tool bar button looks like this .
     When Zoom on Drill isn’t active, its tool bar button looks like this . Click it to enable zooming when you click a dimension member.

Now, when the cursor hovers over a dimension member, it changes to .

12. Click 2012 to zoom into 2012 data.
13. Click ALL PRODUCTS, Food, and Snack Foods to zoom into this data.
14. Click the Edit Display Options tool bar button , click the Show all parent Columns check box to clear it, and click OK.

The following navigation table appears:

2012 Quarterly Store Sales Volume for Snacks at California Stores

This view now shows the total sales for snack food in stores in California for 2012, broken down by quarter.

The following sections build on this example.

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