Which of the following is NOT a function of Watson's Data Refinery?

Watson's Data Refinery is primarily designed to streamline the data preparation process, which includes functions such as preparing data for analysis and cleaning data. Its main purpose is to refine raw data into a format that's suitable for in-depth analysis by eliminating noise, dealing with missing values, and transforming data types as necessary.

In this context, while Watson's Data Refinery does a superb job at preparing and cleaning data, it does not perform automatic data analysis. The actual analysis of the refined data is typically carried out by other tools or services within the IBM Watson ecosystem, which focus on various analytical tasks, such as predictive modeling or machine learning. Therefore, the option referring to analyzing data automatically accurately describes a function that falls outside the typical capabilities of Data Refinery, making it the correct choice that does not align with the functions of Watson's Data Refinery.