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So just to make life a little more complicated,

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let's recall that we talked about things like true positives.

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False positives and false negatives.

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Notice I left out true negatives because Kate and

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I couldn't quite agree what it would mean in this example.

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But we can generalize that these, these three words, these three expressions to

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a confusion matrix with more than two concepts positive and negative.

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We have seven different concepts, as in this example over here.

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Tell me for the concept, Tony Blair.

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What you think is the number of true positives