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For Workflow: Preprocessing nominal data for frequent item set mining
Preprocessing nominal data for frequent it... (1)
This process will first create artificial data that can be compared to usual data loaded for frequent item set mining: Nominal Data with a true and false value, but differently mapped to internal indices.
For ItemSet Mining these must be preprocessed to avoid problems: First they have to be transformed to Binominal Attributes, then it has to be defined, which is the positive and the negative value.
Created: 2010-06-16 | Last updated: 2010-06-16