Data analysis with Claude Code
Most tutorials about data analysis with AI stay theoretical. A few prompts, some possibilities, but you rarely see someone work through a real dataset, deal with the messy parts, and produce something you could actually send to your manager.
This one is different. It shows you exactly how to go from a raw Excel file with half a million rows to a finished report - step by step, with real prompts you can copy and use.
This tutorial demonstrates how to analyze a messy 500,000-row Excel dataset using AI without writing code. The process includes setting up the environment, loading the data, preparing it by flagging cancellations and missing IDs, generating a reusable report script, producing a finished Excel report with KPIs, charts, and cohort analysis, and verifying the results.
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