TransformStep
A step in data preparation that performs a specific operation on the data.
Types
Properties
A transform step that groups data and applies aggregation functions to calculate summary values.
A transform step that combines rows from multiple sources by stacking them vertically.
A transform step that changes the data types of one or more columns.
A transform operation that creates calculated columns. Columns created in one such operation form a lexical closure.
A transform step that applies filter conditions.
A transform step that brings data from a source table.
A transform step that combines data from two sources based on specified join conditions.
A transform step that converts row values into columns to reshape the data structure.
A transform operation that projects columns. Operations that come after a projection can only refer to projected columns.
A transform step that changes the names of one or more columns.
A transform step that converts columns into rows to normalize the data structure.