Data Science

1What is data science?The workflow from question to insight, and how the role differs from analytics and engineering.8 min 2Your data science toolkitPython, Jupyter, pandas, SQL and visualisation tools, plus a reproducible project setup.7 min 3Framing business questions & KPIsTurn vague requests into answerable questions and measurable KPIs before touching any data.7 min 4Collecting data: SQL, APIs & web sourcesPull data reliably from databases, REST APIs, public portals and web pages.7 min 5Exploratory data analysis (EDA)A repeatable checklist for understanding a new dataset before you model it.7 min 6Data storytelling & reportingTurn analysis into a clear, decision-ready story with the right charts and structure.7 min 7Project: sales analysis for a sweets chainAn end-to-end project from question to recommendation using a sweets retail chain's sales.7 min 8Data ethics & privacy: DPDP Act 2023 basicsHandle personal data responsibly and understand the core duties under India's DPDP Act, 2023.8 min