Derive Association Rules Options

Use this to select the output to be generated by fitting association rules, and options used in the analysis.

Display

Specifies which items of output are to be displayed in the Output window.

Rules

The derived rules.

Support calculation method

Specifies how the support values for the rules are calculated. The support of a set of items is the proportion of the transactions that contain them.

Antecedents only	The support is only calculated for the antecedent items in the rule
All Items	The support is calculated for all items in the rule

Minimum support for a rule

This specifies the minimum value of support a rule must have to be included. The support of a set of items is the proportion of the transactions that contain them. This value must be between than 0 and 1.

Minimum confidence for a rule

This specifies the minimum value of confidence a rule must have to be included. The confidence of a rule, is the proportion of those transactions that contain the antecedent set of items that also contains the consequent set. This value must be between than 0 and 1.

Maximum items in a rule

This specifies the maximum number of items a rule can contain. This value must be greater than 1.

Maximum number of rules

This number sets the maximum number of rules that will be derived. This value must be greater than 0.