Question 1

With ________,a fixed number of instances from the original data is sampled (with replacement)for training and the rest of the dataset is used for testing.This process is repeated as many times as desired.

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The answer of With ________,a fixed number of instances from...

Question 2

________ partitions a collection of things,such as objects and events stored in a dataset,into segments whose members share similar characteristics.

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The answer of ________ partitions a collection of things,such as...

Question 3

The ________ algorithm is the most commonly used algorithm to discover association rules.

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The answer of The ________ algorithm is the most commonly...

Question 4

________ data contains codes assigned to objects or events as labels that also represent the rank order among them; for example,credit score.

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The answer of ________ data contains codes assigned to objects...

Question 5

________ data,also known as categorical data,contains both nominal and ordinal data.

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The answer of ________ data,also known as categorical data,contains both...

Question 6

________ data contains measurements of simple codes assigned to objects as labels,such as marital status,but those labels are not measurements.

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The answer of ________ data contains measurements of simple codes...

Question 7

Using existing and relevant data,data mining builds models to identify ________ among the attributes presented in the dataset.

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The answer of Using existing and relevant data,data mining builds...

Question 8

________ tells the nature of future occurrences of certain events based on what has happened in the past,such as predicting the winner of the Super Bowl or forecasting the absolute temperature of a particular day.

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The answer of ________ tells the nature of future occurrences...

Question 9

________ measures the extent of uncertainty or randomness in a dataset.

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The answer of ________ measures the extent of uncertainty or...

Question 10

________ means that discovered patterns in a dataset hold true on new data with a sufficient degree of certainty.

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The answer of ________ means that discovered patterns in a...

Question 11

________ data can be readily represented by some sort of probability distribution.

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The answer of ________ data can be readily represented by...

Question 12

________ data mining finds patterns,associations,and other relationships hidden within datasets.It can uncover facts that an organization had not previously known or contemplated.

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The answer of ________ data mining finds patterns,associations,and other relationships...

Question 13

Generally speaking,data mining tasks can be classified into three main categories: ________,association,and clustering.

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The answer of Generally speaking,data mining tasks can be classified...

Question 14

The ________ index has been used in economics to measure the diversity of a population.The same concept can be used to determine the purity of a specific class as a result of a decision to branch along a particular attribute or variable.

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The answer of The ________ index has been used in...

Question 15

________ data mining begins with a proposition by the user,who then seeks to validate the truthfulness of the proposition

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The answer of ________ data mining begins with a proposition...

Question 16

With ________ forecasting,the data are a series of values of the same variable that is captured and stored over time.These data are then used to develop models to extrapolate the future values of the same phenomenon.

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The answer of With ________ forecasting,the data are a series...

Question 17

The most commonly used measure to calculate the closeness between pairs of items in cluster analysis is the ________.

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The answer of The most commonly used measure to calculate...

Question 18

________ data represent the labels of multiple classes used to divide a variable into specific groups.

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The answer of ________ data represent the labels of multiple...

Question 19

The model's ability to make reasonably accurate predictions,given noisy data or data with missing and erroneous values,is called ________.

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The answer of The model's ability to make reasonably accurate...

Question 20

Mass,length,time,energy,and electric charge are examples of ________ data because their scales have a nonarbitrary zero value.

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The answer of Mass,length,time,energy,and electric charge are examples of ________...

Quiz 5: Data Mining for Business Intelligence