In Process Mining, data extracted from source systems often requires transformation to be usable for analysis. The SAP Signavio documentation explains:

Option A (To standardize and make uniform the extracted data):Extracted data from various systems may have inconsistent formats, naming conventions, or units. Transformation standardizes this data to ensure compatibility with Process Mining tools.

Option D (To create an event log and case attributes table):Transformation is essential to structure raw data into an event log (containing case ID, timestamp, and activity) and case attributes table, which are required for Process Mining analysis.

Option B (To create additional tables to join to the event log and case attributes table)is incorrect as creating additional tables is not a primary reason for transformation; joining tables is a secondary step.