January 2019
Intermediate to advanced
294 pages
6h 43m
English
Content preview from Machine Learning Quick Reference
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Validation
Now, let's count the frequency of the final tree that we have got and compare the frequency of each item with the table to ensure that we have got the correct frequencies in the table:
- A:4
- B:4
- C:3
- D:3
Now we will go from bottom to top. We will find out the branches where D appears:
We can see that there are three branches where D appears:
- BC: 1
- ABC: 1
- A: 1
These branches are termed as conditional pattern base for D. While we do this, there are points to be kept in mind:
- Even if we traverse from bottom to top, we write the branches in a top-to-bottom manner
- D is not part of it
- 1 represents the frequency of occurrence of D ...
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