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Results tagged with Search options user 133457

Receiver Operating Characteristic, also known as the ROC curve.

4
votes
1answer
Background I'm currently reading the book Data ming: practical machine learning tools and techniques and came across the following ROC curve: The text corresponding to this figure: Method A … you are covering 80% of the true positives, method B will give a false positive rate of 60% as compared with method A’s 80%. Question How does a ROC curve relate to sample sizes? (in the context of the text mentioned above) …
asked Apr 1 '18 by KingBoomie
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Background I'm trying to understand ROC curves, however I sometimes read that you can simply go one up for a True positive (TP) and one to the right for a False positive (FP), as mentioned here … : Figure 5.2 shows an example ROC curve—the jagged line—for the sample of test data in Table 5.6. You can follow it along with the table. From the origin,go up two (two positives …
asked Apr 3 '18 by KingBoomie