Mathematics, 16.03.2020 20:27 Loliii
Suppose that this routine has an adjustable cutoff (threshold) mechanism by which you can alter the proportion of records classified as fraudulent. Describe how moving the cutoff up or down would affect 2. a. the classification error rate for records that are truly fraudulent (circle best answer) (i)Lowering the cutoff (here, below 0.5) leads to classifying more non-fraudulent records as fraudulent records (more zeros misclassified as 1) (ii)Lowering the cutoff (here, below 0.5) leads to classifying fewer non-fraudulent records as (iii) Lowering the cutoff (here, below 0.5) leads to classifying more fraudulent records as non- (iv) Lowering the cutoff (here, below 0.5) leads to classifying fewer fraudulent records as non- fraudulent records (more zeros misclassified as 1) fraudulent records (more ones misclassified as 0) fraudulent records (more ones misclassified as 0) b. the classification error rate for records that are truly nonfraudulent (circle best answer (i)Increasing the cutoff (here, above 0.5) leads to classifying more non-fraudulent records as fraudulent records (more 1 misclassified as 0) (ii)Increasing the cutoff (here, above 0.5) leads to classifying fewer non-fraudulent records as fraudulent records (more 1 misclassified as 0) (iii)Increasing the cutoff (here, above 0.5) leads to classifying more fraudulent records as non- fraudulent records (more 1 misclassified as 0) (iv) Increasing the cutoff (here, above 0.5) leads to classifying fewer fraudulent records as non- fraudulent records (more 1 misclassified as 0)
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What value of x is in the solution set of 4x – 12 s 16 + 8x?
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