Seneca College SEA100 AI Classification & Clustering Quiz

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What does TP stand for in a binary classification confusion matrix?

True Positives (correct)

Total Positives

True Predictions

Total Predictions

What is the formula for calculating Accuracy in a confusion matrix?

(TP + FP) / (TP + FP + TN + FN)

(TP + TN) / (TP + FP + TN + FN) (correct)

(TP + FN) / (TP + FP + TN + FN)

(TP + TN) / (FP + TN)

In Precision/Recall evaluation, what is Recall referring to?

Percentage of true positives (correct)

Percentage of true negatives

Percentage of false alarms

Percentage of false negatives

What is the F-measure also known as in its most commonly used form?

F-1 Score Signup and view all the answers

For a highly-performing model, where should the False Positives (FP) value be in a confusion matrix?

Low Signup and view all the answers

What does TN represent in a confusion matrix?

True Negatives Signup and view all the answers

'Precision' in Precision/Recall evaluation refers to what?

% of correct identifications among true positives Signup and view all the answers

'F-measure' combines which two metrics?

% Precision and % Recall Signup and view all the answers

'Accuracy' in confusion matrices is calculated using which four metrics?

(TP + FP) / (TP + FP + TN + FN) Signup and view all the answers

'Recall' percentage measures what aspect in an evaluation?

% of correct identifications among all positives Signup and view all the answers

Seneca College SEA100 AI Classification & Clustering Quiz

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Questions and Answers

What does TP stand for in a binary classification confusion matrix?

What is the formula for calculating Accuracy in a confusion matrix?

In Precision/Recall evaluation, what is Recall referring to?

What is the F-measure also known as in its most commonly used form?

For a highly-performing model, where should the False Positives (FP) value be in a confusion matrix?

What does TN represent in a confusion matrix?

'Precision' in Precision/Recall evaluation refers to what?

'F-measure' combines which two metrics?

'Accuracy' in confusion matrices is calculated using which four metrics?

'Recall' percentage measures what aspect in an evaluation?

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