Data Analysis When to use this skill - The user has a dataset, export, report extract, query result, or shaped event / telemetry table and wants evidence-backed conclusions. - The task is to understand what changed , compare segments, summarize performance, or explain anomalies in business terms. - The request mentions CSV, JSON, SQL tables, retention, cohorts, funnels, conversion, spend, telemetry, event exports, or KPIs . - The work needs data-quality checks before conclusions . - The user needs a concise analysis narrative , not just raw code snippets. Do not use this skill as the main wor…