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View this topic on docs.devexpress.com (Learn more)

Index Mode

The PivotSummaryDisplayType.Index summary display mode displays index values that reflect the summary values' importance in their row and column context. These values are calculated as follows:

((value in cell) x (Grand Total of Grand Totals)) / ((Grand Row Total) x (Grand Column Total))

In the following image, the SummaryDisplayType properties of the two data fields are set to Default and Index respectively.

For instance, the "Beverages - UK - Index" cell value is calculated as follows: 0.911 = (68,057.1 x 775,779.61) / (216,298.97 x 267,868.16), where 68,057.1 is the actual sum calculated against the Product Sales field for the "Beverages - UK" cell; 775,779.61 is the Grand Total value calculated against all cells; 216,298.97 is the Grand Total value calculated for the "UK" column; and 267,868.16 is the Grand Total value calculated for the "Beverages" row.

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