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10.05 Evaluate Option

Setting the Evaluate Option

The Evaluate option determines when a new element is shown on the chart. On a standard vertical chart, they would be the elements listed on the X-axis. For example, this determines when a new bar is drawn on a bar chart. There are three options to choose from and they are listed in Table 10-3.

Table 10-3. The Evaluate options.

Evaluate Option Description
On Change Of A new element is created when the value of the field changes. The value plotted on the other axis is the sum of all fields that are in each group.
For Each Record A new element is created for each detail record in the table. Check the number of detail records because too many records will over-crowd the chart.
For All Records Shows a single element on the chart. The value plotted on the other axis is the grand total of each field selected in the Show Value(s) list.

The On Change Of option requires a little more explanation than the other two options, which are fairly straightforward. The On Change Of option is used in conjunction with one or more report fields. It creates chart-only groups and summarizes the values within the group. The groups in the chart...

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