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<p><b>Binary classification</b> is the task of putting things into one of two categories (each called a class). As such, it is the simplest form of the general task of <a href="page.php?w=classification">classification</a> into any number of classes. Typical binary classification problems include:<br/>
* <a href="page.php?w=Medical_test">Medical test</a>ing to determine if a patient has a certain disease or not;<br/>
* <a href="page.php?w=Quality_control">Quality control</a> in industry, deciding whether a specification has been met;<br/>
* In <a href="page.php?w=information_retrieval">information retrieval</a>,</p><p>
<a accesskey="3" href="page.php?w=binary_classification&amp;p=2">3.Next</a>
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