2. UNIT I: DATA MINING
1.1 Motivation
1.2 Steps in Data Mining
1.3 Architecture
1.4 Data Mining and Databases
1.5 Data Warehouses
1.6 Data Mining functionalities
1.7 Classification
1.8 Data Mining Primitives
1.9 Major issues
1.10 DATA PREPROCESSING:
1.10.1 Descriptive data summarization
1.10.2 Data Cleaning
1.10.3 Data integration and transformation
1.10.4 Data Reduction
1.10.5 Data discretization and concept hierarchy generation
Data Mining
August 23, 2022 2
4. Data Mining deals with the discovery of
hidden Knowledge , unexpected pattern
and new rules from large data sets
4
DATA MINING
August 23, 2022 4
Data Mining
5. 1.6 Data Mining functionalities
August 23, 2022 Data Mining 5
6. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 6
7. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 7
Evolution Analysis
8. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 8
9. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 9
10. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 10
11. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 11
12. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 12
13. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 13
14. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 14
15. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 15
16. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 16
17. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 17
18. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 18
19. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 19
20. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 20
21. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 21
22. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 22
23. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 23
• A 2-D plot of customer data with respect to customer locations in a city,
showing three data clusters. Each cluster “center” is marked with a “+”.
24. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 24
25. 1.6 Data Mining functionalities
(Cont..)
August 23, 2022 Data Mining 25
Data evolution analysis describes and models regularities or trends for
objects whose behavior changes over time.
It may include
characterization, discrimination, association and correlation analysis,
classification, prediction, or clustering of timerelated data, distinct features
of such an analysis include time-series data analysis, sequence or
periodicity pattern matching, and similarity-based data analysis.
Evolution Analysis