Understanding the ROC-AUC Curve
<p><strong><em>In binary classification, the threshold is indeed a pivotal aspect. </em></strong>When you’re predicting the probability of an instance belonging to a particular class, a threshold determines at what probability you classify an instance as the positive class (1) or the negative class (0).</p>
<p>Imagine your email service has a spam filter that uses a classification model to decide whether an incoming email is spam or not. The model computes a score (probability) for each email, representing the likelihood it’s spam.</p>
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