منابع مشابه
Model Selection in Omnivariate Decision Trees
We propose an omnivariate decision tree architecture which contains univariate, multivariate linear or nonlinear nodes, matching the complexity of the node to the complexity of the data reaching that node. We compare the use of different model selection techniques including AIC, BIC, and CV to choose between the three types of nodes on standard datasets from the UCI repository and see that such...
متن کاملModel selection in omnivariate decision trees using Structural Risk Minimization
As opposed to trees that use a single type of decision node, an omnivariate decision tree contains nodes of different types. We propose to use Structural Risk Minimization (SRM) to choose between node types in omnivariate decision tree construction to match the complexity of a node to the complexity of the data reaching that node. In order to apply SRM for model selection, one needs the VC-dime...
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where k is fixed and y is a variable of particular interest. For example x may be customer information for a credit card customer, and y a measure of how credit worthy the customer is. Given a new instance of x we wish to be able to predict the corresponding y. This is essentially a regression problem, though is usually called classification when y is a discrete variable. We call x the independ...
متن کاملDecision Trees
Decision trees find use in a wide range of application domains. They are used in many different disciplines including diagnosis, cognitive science, artificial intelligence, game theory, engineering and data mining. Decision Trees model has two goals: producing an accurate classifier and understanding the predictive structure of the problem. The classification accuracy of decision trees has been...
متن کاملDecision trees
The tree provides a framework for the calculation of the expected value of each available alternative. The alternative with the maximum expected value is the best choice path based on the information and mind-set of the decisionmakers at the time the decision is made. This best choice path indicates the best overall alternative, including the best subsidiary decisions at future decision steps, ...
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ژورنال
عنوان ژورنال: IEEE Transactions on Neural Networks
سال: 2001
ISSN: 1045-9227
DOI: 10.1109/72.963795