aggregate - RapidMiner Data Mining
Aggregate
The Aggregate operator allows example sets to be restructured in many ways to summarise them in order to help understand the data better or to prepare for subsequent processing. The capabilities of this operator are similar to the SQL Group-By and Having clauses familiar from database queries.
Topics covered
Use default aggregation and default aggregation function
Aggregration attributes
Group by attributes
Count all combinations
Only distinct
Ignore missing