Database Reference
In-Depth Information
Figure 5-3. Selection of attributes to include
in the association rules model.
5)
One other step is needed in our data preparation. This is to change the data types of our
selected attributes from integer to binominal. As previously mentioned, the association
rules operators need this data type in order to function properly. In the search box on the
Operators tab in design view, type 'Numerical to' (without the single quotes) to locate the
operators that will change attributes with a numeric data type to some other data type. The
one we will use is Numerical to Binominal. Drag this operator into your stream.
