WHAT ARE DECISEION TREES? HOW ARE THEY CREATED??
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Decision trees use multiple algorithms to decide to split a node into two or more sub-nodes. The creation of sub-nodes increases the homogeneity of resultant sub-nodes. ... The decision tree splits the nodes on all available variables and then selects the split which results in most homogeneous sub-nodes.
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At each node a variable is evaluated to decide which path to follow. When they are being built decision trees are constructed by recursively evaluating different features and using at each node the feature that best splits the data.
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