5 ways your ML model's score is lying to you

<blockquote> <p><strong>Series:</strong> How Machines Learn: A Complete Guide from Zero to AI Engineer<br /> <strong>Phase 6:</strong> Machine Learning (The Core)</p>

<p>Your fraud detection model hits 99.8% accuracy. Ship it?</p> <p>Not so fast. That number means your model predicts "not fraud" for every single transaction — and it's right

<p><em>What running a fleet of autonomous trading bots taught me about picking the right metric.</em></p> <p>I run a small fleet of automated trading bots in paper mode. One of

<p>Building a machine learning model is relatively straightforward today.</p> <p>You train it.<br /> Evaluate it.<br /> Tune it.</p> <p>Eventually, you get a model that performs