A decision tree is the graphic demonstration of a choice made or proposed. What seems most interesting is not always useful, and not always are things so clear that you can choose between two solutions immediately. Often, a decision is determined by a series of waterfall conditions. Expressing this concept with tables and numbers is difficult, and even if a table formally represents the phenomenon, it can confuse the reader because the justification of the choice is not immediately apparent.
A tree structure helps us extract the same information with greater readability by putting the right emphasis on the branch we have entered to determine the choice or evaluation. Decision tree technology is useful in identifying a strategy or pursuing a goal by creating a model with probable results. The decision tree graph immediately orients the reading of the result. A plot is much more eloquent than a table full of numbers. The human mind prefers to see the...