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Learn how to properly evaluate machine learning models using the confusion matrix, Accuracy, Precision, Recall, F1, ROC, AUC and MCC. A clear, intuitive and narrative explanation of what each metric means, when to use it, and why accuracy alone can be misleading
Learn how SVMs work: hyperplanes, maximum margin, support vectors, and the kernel trick. Understand how SVMs handle non‑linear separation and how multiclass classification works through OVO and OVR. Clear, intuitive, and formula‑free explanation
Learn how decision trees work and the differences between ID3, C4.5, and CART. Understand entropy, information gain, Gini index, pruning, and why CART is the foundation of modern ensemble methods like Random Forest and Gradient Boosting.
Learn how K‑NN and Naive Bayes work from two opposite philosophies: geometric similarity and probabilistic reasoning. Discover their advantages, limitations, examples, and when to use each classifier in real machine learning projects.
Learn how Softmax transforms raw scores into probabilities and how multinomial logistic regression extends binary logistic regression to multi‑class problems. Understand logits, multiclass cross‑entropy, decision boundaries, and when Softmax is the right choice.
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