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Transcript 
Copyright © 2004 Pearson Education, Inc.
Chapter 27
Data Mining Concepts
Copyright © 2004 Pearson Education, Inc.
FIGURE 27.1
Example transactions in market-basket model.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-3
FIGURE 27.2
FP-tree and item header table.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-4
FIGURE 27.3
Taxonomy of items in a supermarket.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-5
FIGURE 27.4
Simple hierarchy of soft drinks and chips.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-6
FIGURE 27.5
Example decision tree for credit card applications.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-7
FIGURE 27.6
Sample training data for classification algorithm.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-8
FIGURE 27.7
Decision tree based on sample training data where the leaf
nodes are represented by a set of RIDs of the partitioned
records.
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-9
FIGURE 27.8
Sample 2-dimensional records for clustering example (the
RID column is not considered).
Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition
Copyright © 2004 Pearson Education, Inc.
Slide 27-10
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