Decision Tree A decision tree is a model that is both predictive and descriptive. It is called a decision tree because the resulting model is presented in the form of a tree structure. Decision trees are a standard tool in data mining. Decision trees are generally preferred over other nonparametric techniques because of the readability of their learned hypotheses and the efficiency of training and evaluation. Decision trees can be used in many different situations …showed first 75 words of 1194 total…

…showed last 75 words of 1194 total…automatically and generating an output file with the predicted value or class appended to the record for each case. Many implementations offer the option of exporting the rules to be used externally or embedded in other applications. In conclusion, when a person needs to make a decision based on several factors, a decision tree can help identify which factors to consider and how each factor has historically been associated with different outcomes of the decision.