Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Organizations have a wealth of unstructured data that most AI models can’t yet read. Preparing and contextualizing this data is essential for moving from AI experiments to measurable results.

For the past few years, we have watched agentic AI systems generate impressive demonstrations. They write code that passes test cases. They search the web and answer complex questions. They navigate ...