For each item pair specified by combinations, the function outputs a table with the following format. The ITEMXOFY columns comprise the UPI.
Column | Data Type | Description |
---|---|---|
ITEMxOFy | Data type of column specified by itemcolumn | [Column appears twice or more, depending on number of combinations.] x has all values in range [1, n], where n is number of item pairs specified by combinations. y is sum of number of items specified. Examples:
|
LSUPPORT | DECIMAL(18,5) | Support of left-side item (antecedent). |
RSUPPORT | DECIMAL(18,5) | Support of right-side item (consequent). |
SUPPORT | DECIMAL(18,5) | Support of association (antecedent and consequent). |
CONFIDENCE | DECIMAL(18,5) | Confidence of association. |
LIFT | DECIMAL(15,5) | Lift of association. |
ZSCORE | DECIMAL(15,5) | Z-score of association. |