For more details regarding the functions in this recipe, refer to the following links:
- CALENDAR: https://docs.microsoft.com/en-us/dax/calendar-function-dax
- WEEKDAY: https://docs.microsoft.com/en-us/dax/weekday-function-dax
- FILTER: https://docs.microsoft.com/en-us/dax/filter-function-dax
- COUNTX: https://docs.microsoft.com/en-us/dax/countx-function-dax
- EARLIER: https://docs.microsoft.com/en-us/dax/earlier-function-dax