20 – Solution ROC Curve

And the answer is, if a network spits out a random number, then the output, the RC curve, is going to be a straight line. You can dial up your threshold. And the more dial up, the more cancers you’ll find, but there are also more non-cancerous you’ll find. And the ratio of cancerous-non-cancerous would be linear. Therefore, a completely random algorithm will just show you a straight line. In fact, anything below the straight line, you should run in a sample test because it just actively kill people, okay? And we don’t know that.

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