 I'm Monica from the Public Health Rebrand to Data Science program, and here is your Data Science Tip for the day! Data Science Tip No. 1 Before you try to request or download a whole dataset, carefully review the data dictionary and select only the variables you need. That way, you can reduce the size of your dataset for more efficient I.O. A smaller dataset makes your project go faster. Want to excel in health data science? Follow my channel to learn more about my mentoring program for career advancement.