What is the advantages and disadvantages of information gain feature selection algorithm?
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A significant advantage of a decision tree is that it forces the consideration of all possible outcomes of a decision and traces each path to a conclusion. It creates a comprehensive analysis of the consequences along each branch and identifies decision nodes that need further analysis.
Disadvantages of decision trees: They are unstable, meaning that a small change in the data can lead to a large change in the structure of the optimal decision tree. They are often relatively inaccurate. Many other predictors perform better with similar data.
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For a comprehensive view about feature selection methods, their advantages, and ... An attributes ( variable) with many distinct values, the information gain fails to .... 3: choose attribute evaluate and search method
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