5. Data Formatting
Door 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