Chp 2 Provost And Fawcett

Question 1

Classifications and class probability estimation

Answer 1

Attempts to predict, for each individual in a population

Question 2

Regression (value estimation)

Answer 2

Attempts to estimate or predict for each individual the numerical value of some variable for that individual

Question 3

Similarity matching

Answer 3

Attempts to identify similar individuals based on data known about them

Question 4

Clustering

Answer 4

Attempts to group individuals in a population together by their similarity but not driven by any specific purpose

Question 5

Co-occurrence grouping

Answer 5

Attempts to find associations between entities based on transactions involving them

Question 6

Profiling

Answer 6

Attempts to characterize the typical behavior of an individual group or population

Question 7

Link prediction

Answer 7

Attempts to predict connections between data items, usually by suggesting that a link should exist and possibly also estimating the strength of the link

Question 8

Data reduction

Answer 8

Attempts to take a large set of data and replace it with a smaller set of data that contains much of the important information in the larger set

Question 9

Casual modeling

Answer 9

Attempts to help us understand what events or actions actually influence others