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Oracle Database 11g The Complete Reference (Osborne ORACLE ...

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1020 Part VIII: Alphabetical <strong>Reference</strong><br />

CLUSTER_ID<br />

FORMAT<br />

CLUSTER_ID (<br />

mining_attribute_clause::=<br />

USING<br />

*<br />

expr<br />

schema .<br />

schema .<br />

AS alias<br />

,<br />

model mining_attribute_clause )<br />

table . *<br />

DESCRIPTION This function is for use with clustering models that have been created using the<br />

DBMS_DATA_MINING package or with the <strong>Oracle</strong> Data Mining Java API. It returns the cluster<br />

identifier of the predicted cluster with the highest probability for the set of predictors specified in<br />

the mining_attribute_clause. <strong>The</strong> value returned is an <strong>Oracle</strong> NUMBER.<br />

CLUSTER_PROBABILITY<br />

FORMAT<br />

CLUSTER_PROBABILITY (<br />

mining_attribute_clause::=<br />

USING<br />

*<br />

expr<br />

schema .<br />

schema .<br />

AS alias<br />

,<br />

model<br />

table . *<br />

, cluster_id<br />

mining_attribute_clause )<br />

DESCRIPTION This function is for use with clustering models that have been created with the<br />

DBMS_DATA_MINING package or with the <strong>Oracle</strong> Data Mining Java API. It returns a measure of the<br />

degree of confidence of membership of an input row in a cluster associated with the specified model.

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