How can I edit the demands in Which demands should be realized?

In the Demands - Business Value view, click a doughnut slice to open a data workbench showing all demands with the respective business value. You can edit the attributes that contribute to the business value score directly in the data workbench. Use the features of the data workbench to slice-and-dice your data to focus on data and do the analyses you are interested in:

Click here for details about how to take advantage of all functionalities of the data workbench.