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Machine Learning Deep Dive

From practical experience to mathematical principles, break through learning bottlenecks

18
Articles
15
Courses
5-15
Min Read
Beginner
Intermediate
Advanced
Article
8 min
How to Spot a "Lemon": The Intuitive Logic Behind Decision Trees

Understanding how machines learn to classify through a real-world car-buying example

Decision Trees
Classification
Machine Learning Basics
2026-01-18
Beginner
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Article
14 min
Entropy and Information Gain in Decision Trees: A Practical Guide

How decision tree algorithms decide which questions to ask first

Decision Trees
Entropy
Information Gain
2026-01-18
Intermediate
Read More
Article
14 min
Gini Index Explained: How CART Decision Trees Pick the Best Split

A plain-English guide to understanding impurity and feature selection

Gini Index
CART
Decision Trees
2026-01-18
Intermediate
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Article
15 min
How CNNs See Images: A Step-by-Step Visual Guide

Following a single image through convolution, pooling, and classification

CNN
Deep Learning
Image Classification
2026-01-19
Beginner
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Article
14 min
Bayesian Decision Theory: When Being Wrong Has a Price

Understanding conditional risk and optimal classification decisions

Bayesian
Decision Theory
Classification
2026-01-19
Intermediate
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Article
12 min
Generative vs Discriminative Models: The Creator and The Judge

Understanding the fundamental divide in how machine learning models approach problems

Generative Models
Discriminative Models
Machine Learning
2026-01-20
Intermediate
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Article
14 min
Boosting and AdaBoost: How Weak Learners Team Up to Become Strong

Understanding ensemble learning through the lens of teamwork

Boosting
AdaBoost
Ensemble Learning
2026-01-20
Intermediate
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Article
12 min
Wedding Seating & Clustering: How to Tell if Your Model is Playing Matchmaker

Understanding external validity indices (Jaccard, Rand, FM) through relationships

Clustering
Evaluation Metrics
Unsupervised Learning
2026-01-21
Intermediate
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Article
12 min
Prototype Clustering: k-means, LVQ, and GMM Explained

Finding the "Squad Leader" to understand the crowd

Clustering
k-means
GMM
2026-01-21
Intermediate
Read More
Article
10 min
Don't Squash the Data: Using MDS to Draw a Precise Map

How Multidimensional Scaling preserves relative distances

Dimensionality Reduction
MDS
Data Visualization
2026-01-21
Intermediate
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Article
12 min
PCA Explained: The NBA Scout's Guide to Dimensionality Reduction

How to simplify 20 player stats into 2 "Super-Variables" without losing the game

PCA
Dimensionality Reduction
Unsupervised Learning
2026-01-22
Intermediate
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Article
14 min
Manifold Learning: How to Unfold a Crumpled Map

ISOMAP and LLE explained through the art of unfolding without tearing

Manifold Learning
ISOMAP
LLE
2026-01-22
Intermediate
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Article
13 min
Metric Learning: Customizing a Precise Distance Ruler for Your Data

How to learn task-specific distance metrics that make kNN smarter

Metric Learning
Mahalanobis Distance
kNN
2026-01-23
Intermediate
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Article
14 min
Feature Selection: How to Pick the Most Useful Features

Subset search and evaluation explained through house-buying decisions

Feature Selection
Subset Search
Information Gain
2026-01-23
Intermediate
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Article
13 min
L1 Regularization and Sparsity: Why It Auto-Deletes Features

The taxation analogy that explains LASSO's secret weapon

L1 Regularization
Sparsity
LASSO
2026-01-24
Intermediate
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Article
14 min
Sparse Representation: Saying More with Fewer Words

How dictionary learning builds the perfect keyword toolkit for your data

Sparse Representation
Dictionary Learning
Feature Engineering
2026-01-24
Intermediate
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Article
15 min
Graph Semi-Supervised Learning: When 5 Labels Spread to 95 Samples

How label propagation turns relationship networks into powerful classifiers

Semi-Supervised Learning
Graph-Based Learning
Label Propagation
2026-01-25
Intermediate
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Article
14 min
Semi-Supervised Clustering: Add Hints, Sort Better

How 30 hints turn 1,000 messy photos into organized piles

Semi-Supervised Learning
Clustering
Constrained K-Means
2026-01-25
Intermediate
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