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Hands-On Machine Learning with C# by Matt R. Cole

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False negatives

This is a case where we predicted no but the truth was yes. You might sometimes see this referred to as type II error.

Now, with all that being said, we need to talk about two other important terms, precision and recall.

Let's describe them this way. For the past week, it has rained every day. That's 7 days out of 7. Simple enough. A week later, you are asked How often did it rain last week?

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