You have a poorly performing risk model and are looking for strategies to improve performance. You know that only about one percent of your cases represent risk, and you have over 1 million cases to use for training purposes.

What is the correct approach to test for improving performance?

An online film streaming company is interested in building a movie recommendation model by analyzing the historical film watching pattern of its customers. For example, analysis of the historical data may reveal that all the customers who watched movie A and movie B, also had a high likelihood of watching movie C. This information can then be used to recommend movie C to all future customers who watch movies A and B.

Which modeling node would be used to build such a movie recommendation model?

You need to output only a list of field names, arranged in a single column, for a reporting function. You have already imported the data using a Database node and know it has 25,000 records.

Which node sequence would yield the desired output?

Your data contains 5,000 sales transactions across twelve regions.

Which node would reduce your data, showing the average sales amount for each region?