For more details about functions used in this recipe, refer to the following links:
- Entropy (information theory): https://en.wikipedia.org/wiki/Entropy_(information_theory)
- ADDCOLUMNS: https://docs.microsoft.com/en-us/dax/addcolumns-function-dax
- SUMX: https://docs.microsoft.com/en-us/dax/sumx-function-dax
- SUMMARIZE: https://docs.microsoft.com/en-us/dax/summarize-function-dax
- DIVIDE: https://docs.microsoft.com/en-us/dax/divide-function-dax
- COUNTROWS: https://docs.microsoft.com/en-us/dax/countrows-function-dax
- LOG: https://docs.microsoft.com/en-us/dax/log-function-dax