LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – STATISTICS
THIRD SEMESTER – NOVEMBER 2012
ST 3955 – DATA WAREHOUSING AND DATA MINING
Date : 08/11/2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
SECTION A
Answer all the questions (2×10=20 Marks)
- Define ROC and AUC
- State any two uses of a Decision tree
- State the use of Kernel function in Support Vector Machine
- State any two uses of a Gains chart
- Explain any two application of text mining
- What are the components of a middle tier in a three tier architecture?
- How the connection is established between client tier and middle tier?
- How the connection is established between middle tier and database tier?
- What are the components of a decision support system?
- What are the components of a database tier?
SECTION B
Answer any FIVE questions (5×8=40 Marks)
- State the Applications of Data mining and the steps involved in a Data mining project
- Explain the steps involved in construction of a Classification tree
- Explain Bagging and Random Forest Method
- Explain the steps involved in AdaBoost M1 algorithm for Boosting model performance
- Explain Kth Nearest Neighbourhood Method of classification
- Explain the functionalities of all the components of a web server
- What are the steps involved in order to cash process
- What are the steps involved in a procedure procure to pay process
SECTION C
Answer any TWO questions (2×20=40 Marks)
- (i) Explain Naive Bayes Classification method and the steps involved in construction of CHAID
(ii)Explain the methods of model validation
- (i) Explain Artificial Neural Network
(ii)Explain Support Vector Machine in detail
21.Explain the ETL process by explaining the different stages in data warehouse
- Explain the sql* loader process to transfer the data from the flat file to a table in a data base
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