Data Cleaning Exercises

Dataset pack

Cities in scoring data

New rows to score with a city feature, and the list of cities seen in training.

Fictional data · UTF-8 CSV, every value quoted so padding and leading zeros survive; empty fields are missing values · free for personal and classroom practice · practise it in Categories the model never saw.

scoring 14 rows × 2 columns

Download scoring.csv (Pro)

Data dictionary

id
Unique row ID.
city
City as captured.

train_cities 4 rows × 1 columns

Download train_cities.csv (Pro)

Data dictionary

city
City seen in training (lower case).

Values are shown in quotes so leading and trailing spaces are visible. ∅ means the cell is missing. Exercises are also graded on hidden datasets that are never published.