For example, you might want to predict the sex of a person (male or female) based on their age, state where they live, income and political leaning. There are many other techniques for binary ...

For example, you might want to predict the political leaning ... moderate = 1, liberal = 2). For decision tree classification, the variable to predict is most often ordinal-encoded (0, 1, 2 and so on) ...

Figure 1: A classification decision tree is built by partitioning the predictor ... misclassification if this varies among classes. For example, in classifying cancer cases it may be more costly ...