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A Transforms node performs one or more transformation on the table or tables identified in a Data node. Evaluate and Apply Data must be prepared in the same way that build data was prepared.
Transformation include:
Filter Columns node: Filters columns using attribute importance, correlation, and SQL statements.
Join node: Joins two or more tables.
Filter Rows node: Performs Filter Rows using attribute importance, correlation, and SQL statements.
Sample node: Creates a random sample of the source data.
For more information, see Transforms Nodes.