the pessimistic error of this decision tree-

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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4. The training error of a decision tree with ONE leaf node is 10/40 and 40 is the total number of
training samples. What is the pessimistic error of this decision tree:
? After the
splitting of the leaf node, there are four leaf nodes, and the training error becomes 9/40. Then what is
the pessimistic error of the new decision tree:
? Should you prune the sub-tree
after the splitting (yes/no):
?
Transcribed Image Text:4. The training error of a decision tree with ONE leaf node is 10/40 and 40 is the total number of training samples. What is the pessimistic error of this decision tree: ? After the splitting of the leaf node, there are four leaf nodes, and the training error becomes 9/40. Then what is the pessimistic error of the new decision tree: ? Should you prune the sub-tree after the splitting (yes/no): ?
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