Compute the generalization error rate of the tree using the validation set shown above. This approach is known as reduced error pruning.
Consider the decision tree shown in Figure 4.2.
According to the reduced error pruning approach, the generalization
error rate is 4/5=0.8.
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Answer the following statements true (T) or false (F)
1. In a file a record is a complete set of data about an item and a field is an individual piece of data within a record. 2. It is possible to manipulate data in a file directly without saving its contents to an array or anywhere else in a program. 3. A file specification document describes the fields that are used in a file and is used to help programmers understand how the data is organized before they begin writing programs to manipulate that data. 4. Control break logic is used when the programmer wants a program to terminate immediately.
AutoNumber fields store data using the ____ field size.
A. Double B. Long Integer C. Byte D. Binary
Double-clicking selects a line.
Answer the following statement true (T) or false (F)
Any expression that is terminated by a ____ becomes a C++ statement.
A. colon B. semicolon C. curly bracket D. period