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The gure shows two error matrices for the beer example, each created with a different cut-off, with light as the success class. Confusion Matrix (left)
The gure shows two error matrices for the beer example, each created with a different cut-off, with "light" as the success class. Confusion Matrix (left) Confusion Matrix (right) Predicted Class Predicted Class Actual Class Light Regular Actual Class Light Regular Light 43 Light 44 The one on the left was created using 0.5 as the cut-off. How would you adjust c the cut off to get the matrix on the right? HINT: Carefully think about how your classication changes when you change your cut-off. When you increase the cut-off do you classify more drinkers or fewer drinkers as preferring lite beer? 0 Increase c O Decrease c O The matrix does not depend on c
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