User Guide

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OLAP Cubes
OLAP Cubes Di
fferences
Figure 19-4
OLAP Cubes D ifferences dialog box
This dialog box allows you to calculate percentage and arithmetic differences between
summary variables or between groups defined by a grouping variable. Differences are
calculated for all measures selected in the OLAP Cubes Statistics dialog box.
Differences between Variables. Calculates differences between pairs of variables.
Summary statistics values for the second variable (the Minus variable) in each pair
are subtracted from summary statistic values for the first variable in the pair. For
percentage differences, the value of the summary variable for the Minus variable is
used as the denominator. You must select at least two summary variables in the main
dialog box before you can specify differences between variables.
Differences between Groups of Cases. Calculates differences between pairs of groups
defined by a grouping variable. Summary statistics values for the second category in
each pair (the Minus category) are subtracted from summary statistic values for the
first category in the pair. Percentage differences use the value of the summary statistic