To extract source code and score metadata to a folder in SAS Enterprise Miner, which node should be used?

The Score Card Export Node is the appropriate choice for extracting source code and score metadata to a folder in SAS Enterprise Miner. This node is specifically designed to facilitate the export of scoring information and configurations related to a scorecard model. It allows users to generate the necessary files that encapsulate the scoring logic, making it possible to deploy these assets in various environments or to integrate with other systems.

Using this node is essential for users who are looking to operationalize their predictive models by making the scoring process reproducible and manageable outside of the SAS Enterprise Miner environment. The output typically includes not only the scoring code but also supplementary metadata that can be useful for understanding how predictions are calculated.

Other nodes listed serve different purposes: the Save Data Node is mainly used for outputting datasets to physical files but does not focus on the specific needs of scoring models. The Register Model Node is utilized for managing models within the project environment, while the Open Source Integration Node generally deals with facilitating the use of open-source code or packages. Thus, each has its unique function that does not directly align with the requirement of extracting source code and score metadata effectively.