Jaypee Institute of Information Technology (JIIT) 2008 B.E Information Technology Test 1 : Information Retrieval and Data Mining for IT - Question Paper
Jaypee University of Information Technology Waknaghat B.Tech. VIII Sem (C.S.E. & IT.)
Test*]. February 2008
Course code : 07B7ICI4U Maximum Time: I Hour
Course Title : Information Retrieval and Data Mining Maximum Marks' 20
Course credit: 3
(a)Brieny outline the major steps of decision tree classification.
<b)Describe how a box plot can give information about whether the value of an attribute is sy mmetrically distributed.
Q2 [2+2J
Suppose that the university course database for Big-University includes the following attributes describing students: name, address, status ( e.g,. undergraduate or graduate). major, and CPA (cumulative grade point average).
(a)Describe the architecture you would choose.
(b)Wntc a DMQl, query to find associations involving course instructors, student grades. Use a metarule to specify the format of associations you would like to find. Specify minimum thresholds for the confidence and support of the association rules reported.
class problem.
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Consider the following dataset fora binary | |||||||||||||||||||||||||||||||||
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Calculate the information gain when splitting on A and B. Which attribute would the decision tree induction algorithm choose?
(M I [3+3]
Suppose that a data warehouse consists of the four dimensions date, spectator, location, and gome, and two measures count and charge, where charge is the fare that a spectator pays when uatching a game on a given date. Spectators may be students, adults, or seniors, with each category having its own charge rate.
<a)Draw a star schema diagram for the above data warehouse.
(b)Starting with the base cuboid [date, spectator, location, game), wtiat specific OLAP operations should one perform in order to list the total charge paid by student spectators at GM Place in 2007?
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| Earning: Approval pending. |
