5. Data Formatting
par Profesor Magallanes
1. Formatting
1.1. Text
1.1.1. mixture of capitalization
1.2. Numbers
1.2.1. coerce?
1.2.2. ignore?
1.2.3. raise?
1.3. Date
1.4. Categories
1.4.1. Use levels correctly
1.4.2. Verify range of ordinal levels