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Recent questions tagged data-mining
0
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1
answer
1
Apriori Algorithm
Consider a Big Bazar scenario where the product set is P = {Rice, Pulse, Oil, Milk, Apple}. The database comprises six transactions where 1 represents the presence of the product and 0 represents the absence of the product. Transaction ID Rice Pulse Oil MIlk Apple t1 1 1 1 0 0 ... t4 1 1 0 1 0 t5 1 1 1 0 1 t6 1 1 1 1 1 Apply Apriori Algorithm and find support, confidence and lift.
rahulkarmakar2002
asked
in
Data Mining and Warehousing
Mar 19
by
rahulkarmakar2002
91
views
data-mining
algorithms
2
votes
1
answer
2
UGC NET CSE | October 2020 | Part 2 | Question: 35
The process of removing details from a given state representation is called _____ Extraction Mining Selection Abstraction
go_editor
asked
in
Data Mining and Warehousing
Nov 20, 2020
by
go_editor
1.2k
views
ugcnetcse-oct2020-paper2
non-gate
data-mining
0
votes
5
answers
3
UGC NET CSE | January 2017 | Part 2 | Question: 47
__________ refers loosely to the process of semi-automatically analyzing large databases to find useful patterns. Datamining Data warehousing DBMS Data mirroring
go_editor
asked
in
Databases
Mar 24, 2020
by
go_editor
1.4k
views
ugcnetjan2017ii
databases
data-mining
1
vote
1
answer
4
UGC NET CSE | June 2019 | Part 2 | Question: 40
K-mean clustering algorithm has clustered the given $8$ observations into $3$ clusters after $1$st iteration as follows: $C1: \: \{(3,3), (5,5), (7,7) \}$ $C2: \: \{(0,6), (6,0), (3,0) \}$ $C3: \: \{(8,8), (4,4)\}$ What will be the Manhattan distance for observation $(4,4)$ from cluster centroid $C1$ in the second iteration? $2$ $\sqrt{2}$ $0$ $18$
Arjun
asked
in
Others
Jul 2, 2019
by
Arjun
3.4k
views
ugcnetcse-june2019-paper2
k-mean-clustering
data-mining
0
votes
1
answer
5
Uttrakhand Asst. Professor Exam-22
How many phases of knowledge discovery process is in Data Mining ? 2 3 5 6
gatecse
asked
in
Unknown Category
Mar 2, 2018
by
gatecse
420
views
uttarakhand-asst-prof-2018
data-mining
0
votes
1
answer
6
Uttrakhand Asst. Professor Exam-21
Discovery of new information in terms of pattern or rules from vast amount of data is called : Data mining Script Spreadsheet None of the above
gatecse
asked
in
Unknown Category
Mar 2, 2018
by
gatecse
390
views
uttarakhand-asst-prof-2018
data-mining
0
votes
2
answers
7
UGC NET CSE | November 2017 | Part 2 | Question: 48
Which of the following is not a Clustering method? K-Means method Self Organizing feature map method K- nearest neighbor method Agglomerative method
Arjun
asked
in
Unknown Category
Nov 5, 2017
by
Arjun
4.6k
views
ugcnetcse-nov2017-paper2
data-mining
clustering
1
vote
1
answer
8
UGC NET CSE | December 2009 | Part 2 | Question: 47
Analysis of large database to retrieve information is called (A) OLTP (B) OLAP (C) OLDP (D) OLPP
rishu_darkshadow
asked
in
Databases
Sep 17, 2017
by
rishu_darkshadow
2.1k
views
ugcnetcse-dec2009-paper2
databases
data-mining
2
votes
1
answer
9
UGC NET CSE | August 2016 | Part 2 | Question: 50
In Data mining, ______ is a method of incremental conceptual clustering. STRING COBWEB CORBA OLAD
makhdoom ghaya
asked
in
Others
Sep 28, 2016
by
makhdoom ghaya
2.8k
views
ugcnetcse-aug2016-paper2
data-mining
1
vote
2
answers
10
UGC NET CSE | August 2016 | Part 2 | Question: 48
In Data mining, classification rules are extracted from _______. Data Information Decision Tree Database
makhdoom ghaya
asked
in
Others
Sep 28, 2016
by
makhdoom ghaya
4.6k
views
ugcnetcse-aug2016-paper2
data-mining
0
votes
0
answers
11
UGC NET CSE | June 2010 | Part 2 | Question: 50
Data Mining uses _______, _______ and _______ to build effective predictive model. (i) Data set (ii) Information set (iii) Input set (iv) Process set (v) Output set (vi) Test set $(i), (ii)$ and $(iv)$ $(ii), (iv)$ and $(v)$ $(i), (v)$ and $(vi)$ $(ii), (iii)$ and $(v)$
makhdoom ghaya
asked
in
Others
Sep 16, 2016
by
makhdoom ghaya
2.0k
views
ugcnetcse-june2010-paper2
data-mining
1
vote
1
answer
12
UGC NET CSE | December 2010 | Part 2 | Question: 47
Data mining is The process of extracting valid, previously unknown, comprehensible and actionable information from large databases and using it to make crucial business decisions. A tool that allows end users direct access and manipulation ... . A tool that helps end users extract useful business information from large database. All of the above
makhdoom ghaya
asked
in
Others
Sep 9, 2016
by
makhdoom ghaya
2.3k
views
ugcnetcse-dec2010-paper2
databases
data-mining
1
vote
2
answers
13
UGC NET CSE | December 2011 | Part 2 | Question: 47
Web Mining is not used in which of the following areas ? Information filtering Crime fighting on the internet Online transaction processing Click stream analysis.
makhdoom ghaya
asked
in
Others
Aug 21, 2016
by
makhdoom ghaya
2.9k
views
ugcnetcse-dec2011-paper2
data-mining
4
votes
1
answer
14
UGC NET CSE | June 2016 | Part 2 | Question: 50
Given the following two statements: Strategic value of data mining is timestamping Information collection is an expensive process in building an expert system Which of the following options is correct? Both I and II are false Both I and II are true I is true, II is false I is false, II is true
go_editor
asked
in
Others
Aug 16, 2016
by
go_editor
2.6k
views
ugcnetcse-june2016-paper2
data-mining
0
votes
2
answers
15
UGC NET CSE | December 2012 | Part 3 | Question: 5
______ is process of extracting previously non known valid and actionable information from large data to make crucial business and strategic decisions. Data Management Data base Data Mining Meta Data
go_editor
asked
in
IS&Software Engineering
Jul 12, 2016
by
go_editor
3.4k
views
ugcnetcse-dec2012-paper3
data-mining
0
votes
2
answers
16
UGC NET CSE | December 2012 | Part 2 | Question: 46
Back propagation is a learning technique that adjusts weights in the neutral network by propagating weight changes. Forward from source to sink Backward from sink to source Forward from source to hidden nodes Backward from sink to hidden nodes
go_editor
asked
in
Artificial Intelligence
Jul 11, 2016
by
go_editor
12.7k
views
ugcnetcse-dec2012-paper2
machine-learning
data-mining
back-propagation
1
vote
1
answer
17
UGC NET CSE | June 2012 | Part 3 | Question: 12
Which of the following can be used for clustering the data? Single layer perception Multilayer perception Self organizing map Radial basis function
go_editor
asked
in
IS&Software Engineering
Jul 6, 2016
by
go_editor
4.7k
views
ugcnetcse-june2012-paper3
data-mining
1
vote
1
answer
18
UGC NET CSE | June 2012 | Part 3 | Question: 7
Match the following : ... $\text{(i)-(b), (ii)-(c), (iii)-(d), (iv)-(a) }$
go_editor
asked
in
Others
Jul 6, 2016
by
go_editor
2.2k
views
ugcnetcse-june2012-paper3
data-mining
data-warehousing
0
votes
1
answer
19
apriori algorithm
With reference to implementation of different association mining algorithms, identify the correct statement: (A) The FP growth method was usually better than the best implementation of the apriori algorithm (B) Apriori algorithm is usually better than CHARM (C) Apriori ... is good when the support required is low (D) At very low support the number of frequent items becomes less
Sanjay Sharma
asked
in
Others
Jun 22, 2016
by
Sanjay Sharma
1.8k
views
data-mining
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