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Configuring Contribution Chart Options


Contribution charts are similar to "stacked waterfall" charts. They provide a visualization of two related variable series. For example, if a product is on sale, using the contribution chart, you can examine whether this special sale has any "pull effect" on the sales of an adjacent product on the same shelf.

Contribution charts require the specifications of two variable data series: the base and the contribution. On a vertical contribution chart, each bar in the chart is comprised of a base member (or column) at the bottom and a contribution member (or column) stacked on top.

Configuration options for contribution charts are available in the Chart Types and Configuration dialog, under the Contribution Options tab.

Series Associations

Use the drop-down list to specify the base column and the contribution column. Both are required.

Sort Type

Use the drop-down list to specify whether you want to sort the data points based on the values of the base column, the contribution column, both, or none. Sorting the data makes it easier to spot trend or pattern, espeically if you intend to set a display threshold (for example, show me the top 10 stores that made the most sales, or stores that contributed to 80% of the sales).

Display Threshold

Specify whether there should be a display threshold, and if yes, the value for the threshold. You can specify the threshold using percentages or counts.

 

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