Data Mining

Data Mining

University

15 Qs

quiz-placeholder

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Data Mining

Data Mining

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Sathiya Priya

Used 54+ times

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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 2 pts

Data mining should have been more appropriately named as

data dredging

knowledge mining from data

knowledge extraction

data/pattern analysis

data archaeology

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Examples of time-related or sequence data are

historical records, stock exchange data, and time-series ,biological sequence data

video surveillance, sensor data

the design of buildings, system components, or integrated circuits

text, image, video, audio data

None of the above

3.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

What are the functions of Data Mining?

  1. Prediction and characterization

  1. Association and correctional analysis classification

  1. Cluster analysis and Evolution analysis

  1. All of the above

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is an essential process in which the intelligent methods are applied to extract data patterns?

  1. Warehousing

  1. Data Mining

  1. Text Mining

  1. Data Selection

5.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

The output of data characterization can be presented in various forms

pie charts

bar charts

curves and multidimensional tables

multidimensional data cubes

all of the above

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A frequent itemset typically refers to

items bought in sequential manner

a set of items that often appear together

structural forms

none of the above

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

buys(X, “computer”) ⇒ buys(X, “software”) [support = 1%,confidence = 50%] is

multidimensional association rule

Correlation rule

single-dimensional association rule

All of the above

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