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Data Science Dumps For EMC- E20-007

Question ID 16118
What is the purpose of the process step "parsing" in text analysis?

Option A
imposes a structure on the unstructured/semi-structured text for downstream analysis

Option B
performs the search and/or retrieval in finding a specific topic or an entity in a document

Option C
executes the clustering and classification to organize the contents

Option D
computes the TF-IDF values for all keywords and indices

Correct Answer A

Description
Update Date and Time 2017-12-14 03:11:45

Question ID 16119
A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected
from the Internet. What is the most appropriate model to use? Suppose labeled training
data is available.

Option A
Naïve Bayesian classifier

Option B
Linear regression

Option C
Logistic regression

Option D
K-means clustering

Correct Answer A

Description
Update Date and Time 2017-12-14 03:12:15

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Question ID 16118	What is the purpose of the process step "parsing" in text analysis?
Option A	imposes a structure on the unstructured/semi-structured text for downstream analysis
Option B	performs the search and/or retrieval in finding a specific topic or an entity in a document
Option C	executes the clustering and classification to organize the contents
Option D	computes the TF-IDF values for all keywords and indices
Correct Answer	A

Question ID 16119	A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected from the Internet. What is the most appropriate model to use? Suppose labeled training data is available.
Option A	Naïve Bayesian classifier
Option B	Linear regression
Option C	Logistic regression
Option D	K-means clustering
Correct Answer	A