How does the index relate important variables to each other? Are some variables more important than others in applying the index?
The index avoids the problem of weighting different variables that exceed an objective or guideline by treating all variables that are retained with equal importance. Since the relative impacts of different chemicals such as copper or PCBs are addressed during the development of water quality objectives, further weighting is not warranted.
Related Questions
- How does the index relate important variables to each other? Are some variables more important than others in applying the index?
- How does the Celtic Coin Index Online relate to the original computerization project funded by the Leverhulme Trust?
- Why are the variables in the benefits part of the index multiplied rather than weighted and added?