Which node type would you use to conduct complex operations on individual records in SPSS Modeler?

The Record Operation Node is specifically designed for performing complex operations on individual records within a dataset in SPSS Modeler. This node allows for detailed record-level transformations, giving users the ability to manipulate, filter, or compute new variables based on the values of existing records.

When using the Record Operation Node, analysts can define precise operations that apply to each record independently, as opposed to applying changes across entire fields or columns. This granularity is particularly useful in situations where the analysis requires specific adjustments based on record-level data, such as calculating new metrics, creating flags, or modifying values based on complex conditional logic.

In contrast, other options serve different purposes. The Field Operation Node focuses on operations that impact entire fields or columns rather than individual records, making it less suitable for the detailed operations implied in the question. The Source Node is used primarily for importing data into the model and does not apply any complex transformations to individual records. Meanwhile, the Modeling Node is utilized for building predictive models based on the processed data but does not directly perform operations on individual records. Thus, the Record Operation Node is the optimal choice for the task described.