5. Data Formatting
por 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