Explore U.S. Births
The dataset contains the following columns:
year: Year (1994 to 2003).
month: Month (1 to 12).
date_of_month: Day number of the month (1 to 31).
day_of_week: Day of week (1 to 7).
births: Number of births that day
Here's what we want the data to look like: [ [1994, 1, 1, 6, 8096], [1994, 1, 2, 7, 7772], [1994, 1, 3, 1, 10142], [1994, 1, 4, 2, 11248], [1994, 1, 5, 3, 11053], ... ]