From this diagram, we can see that DM is a complex, iterative process and often costly. You can't justpurchase some data mining software, install it, sit back, and watch it solve all yourproblems. It's impossible! Data mining is not magic.
Without skilled human supervision, blind useof data mining software will only provide you with the wrong answer to the wrongquestion applied to the wrong type of data. The wrong analysis is worse than noanalysis, since it leads to policy recommendations that will probably turn out to beexpensive failures.