Module 0 · Before We Touch Code

🎯 What you will learn

• What data is (beyond just numbers)
• How datasets are structured (rows & columns)
• What software like R actually does
• How to think like a data user

📊 What is data?

Data is recorded information such as numbers, text, dates, or observations collected from the real world.

📁 How data is organized

• Rows = observations (people, events, samples)
• Columns = variables (age, height, score, etc.)

💡 Why this matters

If you understand structure first, coding becomes easier because you are working with ideas — not memorizing commands.

🧭 Before you continue

• No programming experience needed
• Basic computer use is enough
• Curiosity matters most

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