Chapter 02
Data Basics
Working with raw data — what data means, how tables are shaped, and how to clean what you are given.
| # | Concept | Level | Area |
|---|---|---|---|
| 02 | What 'Data' Really Means | Beginner | Data |
| 07 | Cleaning Messy Data | Intermediate | Data |
| 12 | Missing Values and Outliers | Intermediate | Data |
| 17 | Rows, Columns, and Types | Beginner | Data |
| 22 | Joining and Reshaping Data | Intermediate | Data |
| 27 | A Checklist Before Analysis | Intermediate | Data |