For more details about the functions in this recipe, please refer to the following links:
- ADDCOLUMNS: https://docs.microsoft.com/en-us/dax/addcolumns-function-dax
- FILTER: https://docs.microsoft.com/en-us/dax/filter-function-dax
- SUM: https://docs.microsoft.com/en-us/dax/sum-function-dax
- SUMMARIZE: https://docs.microsoft.com/en-us/dax/summarize-function-dax
- NATURALLEFTOUTERJOIN: https://docs.microsoft.com/en-us/dax/naturalleftouterjoin-function-dax
- ISBLANK: https://docs.microsoft.com/en-us/dax/isblank-function-dax
- COUNTROWS: https://docs.microsoft.com/en-us/dax/countrows-function-dax
- DIVIDE: https://docs.microsoft.com/en-us/dax/divide-function-dax
- IF: https://docs.microsoft.com/en-us/dax/if-function-dax