Unit 2 · Lesson 2.5 · Start1 / 11
Unit 2 · Lesson 2.5
2.5
Good data, bad data
The weather app says: 29 °C, sunny, wear light clothes! Outside Srinagar it is snowing. The app worked perfectly — it just learned from Chennai.
Today you will
- Hunt for missing and wrong data
- Clean what can be cleaned
- Write down where data came from
40 min On the laptop