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9

BRFplus

decision tree and a decision table, whic h are probably the most commonly used

because when a business user looks at them they are easy to understand.

Decision Tree Rules in BRFplus

A decision tree is basically a series of yes/no questions to answer; after you

answer each question, you either get a result or are asked another yes/no question.

When you try and draw all the possible routes someone could take through

the questions on a piece of paper, it comes out looking a bit like a tree, because it

has so many branches.

In this example, you will create just such a structure inside BRFplus. To get

started, refer back to the screen shown in Figure 9.14, click Add, and take the

Process Expression option. The screen shown in Figure 9.15 appears.

Figure 9.15 Creating a Decision Tree

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