A data analyst working for a retail company uses IBM Cloud Watson Discovery service to...

The feature of Watson Discovery most helpful in identifying the root cause of customer complaints regarding delayed deliveries isPattern and Trend Analysis.

Pattern and Trend Analysis in Watson Discovery: This feature helps to identify recurring themes, trends, or patterns within large datasets. For a data analyst investigating customer complaints, pattern and trend analysis can help reveal common factors or trends contributing to the delays, such as issues with specific delivery locations, times, or processes.

Use Case for Analyzing Customer Complaints: By analyzing patterns and trends in the text data from customer complaints, the analyst can pinpoint potential bottlenecks or root causes leading to delays in deliveries.

References from IBM Cloud Professional Architect Materials:

IBM's Watson Discovery documentation highlights its ability to perform pattern and trend analysis to extract meaningful insights from unstructured data.

Other options are incorrect:

A. AI-powered search engineis for retrieving relevant documents or information.

B. Natural language processingprocesses text but does not focus on identifying patterns or trends.

C. User behavior trackingis not relevant in this context.

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