Understanding Model Predictions and Classification Thresholds

Understanding Model Predictions and Classification Thresholds

Assessment

Interactive Video

Computers

9th - 10th Grade

Hard

Created by

Evelyn Hayes

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a model prediction of 0.01 indicate about the confidence in classifying an example?

0% confidence in any class

1% confidence in the positive class

50% confidence in either class

99% confidence in the positive class

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does setting a classification threshold at 0.5 affect the classification of examples?

Examples below 0.5 are positive

Examples at 0.5 and above are positive

All examples are classified as negative

All examples are classified as positive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using a confusion matrix in model predictions?

To balance the dataset

To set the classification threshold

To track correctly and incorrectly classified examples

To visualize data points

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might a threshold of 0.67 be chosen in certain scenarios?

To maximize positive classifications

To increase false negatives

To balance false positives and negatives

To minimize false positives

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a highly imbalanced dataset, what threshold range might be appropriate?

0.1 to 0.2

0.92 to 0.95

0.3 to 0.4

0.5 to 0.6