Data Week - 4

Data Week - 4

University

12 Qs

quiz-placeholder

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Data Week - 4

Data Week - 4

Assessment

Quiz

Education

University

Practice Problem

Medium

Created by

Mehdi Mehdi

Used 2+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Suppose these values were categorized like in the Picture without pre-defined labels (unsupervised learning). What algorithm might be used?

Linear Regression

KMeans Clustering

Decision Tree Classifier

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Our classifier model could perform in accuracies of 0.95 and 0.80 in train and test sets, respectively.

Which statement is true?

There is under-fitting

There is over-fitting

The model generalized well

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Our classifier model could perform in accuracies of 0.45 and 0.42 in train and test sets, respectively.

Which statement is true?

There is under-fitting

There is over-fitting

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

What is this equation called?

Precision

Recall

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

What is this equation called?

Precision

Recall

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Our classifier model could predict 80 out of 100 samples correctly in total.

What is the accuracy score?

0.2

0.8

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Our classifier model could predict 80 out of 100 samples wrongly in total.

What is the accuracy score?

0.2

0.8

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