A customer would like to create a change and a % Change for Revenue at the same time. How
would they accomplish this?
A.
Using the Expression Builder
B.
Using the Calculation Wizard
C.
Defining them in the physical data model
D.
Defining them in the Presentation Layer
Explanation:
After creating your base metrics, try using the Calculation Wizard to automate the process of
creating time-series metrics or comparison metrics such as: Change, Percent Change, Index, and
Percent. The Wizard may save you many hours of time and frustration, especially if you have to
create more than a handful of these metrics. In addition, the Wizard allows you to include
customized logic to handle nulls in the base metrics. You may refer to the Oracle documentation
for further detail.
why not answer (A)? It is also a way for calucation.
http://obieetraining11.blogspot.ca/2012/06/create-calculation-measure-using_8835.html
Calculation wizard is the best way to calculate percent, change of one logical column on another column