Numerical and categorical variables: types, units and allowed values
Distinguish quantities from categories, document units and allowed values, and check your data with pandas before converting a column.

Distinguish quantities from categories, document units and allowed values, and check your data with pandas before converting a column.
The course links to get started. Then a short summary with every new article, so you can choose what to explore next.
Artificial intelligence, step by step: from model to web application.