Because the politics type is encoded as conservative = 100 ... Starting with all 200 training items, the decision tree algorithm scans the data and finds the one value of the one predictor variable ...

For example, oncologists classify tumors as different known cancer types using biopsies ... many different decision trees are grown by a randomized tree-building algorithm. The training set ...

The tree construction algorithm examines every value in every column ... Because the split criterion depends on data type, the decision tree object must be passed column type information. Overall ...

What are the advantages of logistic regression over decision ... algorithms can cross - meaning, logistic performs better on a small version of the dataset but eventually is beaten by the tree ...