Exam (elaborations)

AN 300 EXAM 2/|COMPREHENSIVE QUESTIONS WITH CORRECT/ VERIFIED ANSWERS|(frequently most tested question)GET IT 100% ACCURATE | ALREADY GRADED A+ Which of the following is true about cluster analysis? Check all that apply. -It is a descriptive analytics tec

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AN 300 EXAM 2/|COMPREHENSIVE QUESTIONS
WITH CORRECT/ VERIFIED ANSWERS|(frequently
most tested question)GET IT 100% ACCURATE |
ALREADY GRADED A+

Which of the following is true about cluster analysis?
Check all that apply.
-It is a descriptive analytics technique
-It is to discover associations between objects.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.
-It is a descriptive analytics method.
-It is to answer what could happen questions. -
✔✔ANSWER✔✔>>-It is a descriptive analytics
technique.
-It is used to discover natural groupings of objects.
-It is to answer what has happened questions.

Which of the following is a characteristic of a cluster
analysis problem? (Check all that apply):
-The data that describes the object must be given.
-Its objective is to maximize similarities of objects
between groups.
-The data on group memberships must be given.
-It is about how to discover

,-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects
within groups. - ✔✔ANSWER✔✔>>-The data that
describes the object must be given.
-It is about how to organize objects into groups.
-Its objective is to maximize similarities of objects
within groups.

You have data on the weight and height of patients.
Which similarity measure should be used to
calculate how similar a group of patients is to one
another?
-Manhattan coefficient
-Correlation coefficient
-Euclidean distance
-Matching coefficient
-Straight line distance - ✔✔ANSWER✔✔>>-
Euclidean distance

Which of the statements is TRUE about text mining
performed in this application? Check all that apply.
-A word cloud is used to show how frequently the
words are being used.

, -Synonyms are recoded to the same words in the
tokenizing phase of text mining.
-Trivial terms are treated as stop words in the
terming phase of text mining.
-Words co-occurred together are expressed as IF-
THEN rules.
-K-Means clustering is used to generate word
clusters. - ✔✔ANSWER✔✔>>-Synonyms are
recoded to the same words in the tokenizing phase
of text mining.
-Trivial terms are treated as stop words in the
terming phase of text mining.
-Words co-occurred together are expressed as IF-
THEN rules.

Which of the following is FALSE about cluster
analysis. Check all that apply.
-It organizes objects into groups to minimize
dissimilarities of objects between groups.
-It organizes objects into groups to maximize
dissimilarities of objects within groups.
-It organizes objects into groups to minimize
similarities of objects between groups.
-Its purpose is to discover natural groupings of
objects of interest.
-It has prior knowledge on the number of groups to
be formed.
-It answers the "what could happen" questions.

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Exam (elaborations) ·

Exam (elaborations)

AN 300 EXAM 2/|COMPREHENSIVE QUESTIONS WITH CORRECT/ VERIFIED ANSWERS|(frequently most tested question)GET IT 100% ACCURATE | ALREADY GRADED A+ Which of the following is true about cluster analysis? Check all that apply. -It is a descriptive analytics tec

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