Which of the following is NOT a performance metric for classification problems?
Understanding Confusion Matrix

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Confusion Matrix
Precision
Recall
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a confusion matrix, what do the rows represent?
Actual values or truth values
Predicted values by the algorithm
The accuracy of the model
The number of samples
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a true positive in the context of a confusion matrix?
An instance where the model correctly predicts a negative outcome
An instance where the model incorrectly predicts a positive outcome
An instance where the model incorrectly predicts a negative outcome
An instance where the model correctly predicts a positive outcome
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the football example, what does a false negative indicate?
Zane didn't play football, but the model predicted he did
Zane played football, but the model predicted he didn't
Zane didn't play football, and the model predicted he didn't
Zane played football, and the model predicted he did
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have higher numbers in the green boxes of a confusion matrix?
They represent the instances where the model made incorrect predictions
They represent the instances where the model made correct predictions
They indicate the number of samples tested
They show the overall accuracy of the model
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