What Does DM Do? How Does it Work? DM extracts patterns from data Pattern? A mathematical (numeric and/or symbolic)relationship among data items Types of patterns Association Prediction Cluster(segmentation) Sequential (or time series) relationships Copynight@ 2014 Pearson Education, Inc Slide 4-12Copyright © 2014 Pearson Education, Inc. Slide 4- 12 What Does DM Do? How Does it Work? ▪ DM extracts patterns from data ▪ Pattern? A mathematical (numeric and/or symbolic) relationship among data items ▪ Types of patterns ▪ Association ▪ Prediction ▪ Cluster (segmentation) ▪ Sequential (or time series) relationships