Z Chart
The Z chart displays the net history based on a user defined data series, for example, the net history of the budget. This chart indicates if the net history matches the required data series.
You can expand the Z chart row in the Accuracy table to view the Z chart graph.
These values are displayed in the Z chart:
- Net History
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The value for each historical period. The net history is represented by the lower line of the Z chart.
 - Cumulative History
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The cumulative net history over a period of time. This is represented by the increasing graph line of the Z chart.
 - Rolling Data Series
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The sum of all periods displayed in the Z chart. This is represented by the upper line of the Z chart.