
Fuzzy
Data and
Processing
281
many people. Fuzzy set theory gives us ways of consolidating
subjective data in this way.
It is not only input values that sometimes need fuzzy process-
ing. It may be that the ultimate goal of our network is to provide
results stated in apparently subjective terms. Perhaps we have a
network that has been trained
to
predict economic performance figures
given various strategies. Upper management wants to say to us,
"What if we raise prices 10 percent and shift 30 percent of our
advertising budget to the midwest region?" Our network can tell us
what the predicted sales will be in each region as a result of that
strateg ...