Machine Learning & Deep Learning Algorithms

Explore comprehensive guides to the most powerful algorithms in AI, from classical methods to cutting-edge deep learning architectures.

📊
Classification
🎯
Regression
🔍
Clustering
🧬
Neural Networks

Supervised Learning Algorithms

Learn from labeled data to make predictions on unseen examples.

🌲

Random Forest

An ensemble learning method that constructs multiple decision trees and merges them for more accurate predictions.

Classification Regression
Key Features:
  • Reduces overfitting
  • Handles missing values
  • Feature importance ranking
📈

Linear Regression

Models the relationship between variables using a linear equation to predict continuous outcomes.

Regression
Key Features:
  • Simple and interpretable
  • Fast training and prediction
  • Foundation for advanced methods
🎲

Logistic Regression

A statistical model that uses a logistic function to model binary or multiclass classification problems.

Classification
Key Features:
  • Probability estimates
  • Efficient for large datasets
  • No tuning required
🎯

Support Vector Machine

Finds the optimal hyperplane that maximally separates different classes in high-dimensional space.

Classification Regression
Key Features:
  • Effective in high dimensions
  • Kernel trick for non-linearity
  • Memory efficient
🌐

Naive Bayes

A probabilistic classifier based on Bayes' theorem with strong independence assumptions between features.

Classification
Key Features:
  • Fast and scalable
  • Works well with small datasets
  • Great for text classification
👥

K-Nearest Neighbors

Classifies data points based on the classes of their k nearest neighbors in the feature space.

Classification Regression
Key Features:
  • No training phase
  • Intuitive and simple
  • Non-parametric approach

Unsupervised Learning Algorithms

Discover patterns and structures in unlabeled data.

🔵

K-Means Clustering

Partitions data into K distinct clusters based on feature similarity, minimizing within-cluster variance.

Clustering
Key Features:
  • Fast and scalable
  • Easy to understand
  • Works well with spherical clusters
🌳

Hierarchical Clustering

Builds a tree of clusters by iteratively merging or splitting them based on distance metrics.

Clustering
Key Features:
  • No need to specify K
  • Creates dendrograms
  • Handles complex shapes
📉

Principal Component Analysis

Reduces dimensionality by transforming data into a set of linearly uncorrelated principal components.

Dimensionality Reduction
Key Features:
  • Preserves maximum variance
  • Removes noise
  • Visualization of high-D data
🗺️

t-SNE

A non-linear dimensionality reduction technique particularly well-suited for visualizing high-dimensional data.

Dimensionality Reduction
Key Features:
  • Excellent for visualization
  • Preserves local structure
  • Reveals clusters
🔍

DBSCAN

Density-based clustering that groups together points with many nearby neighbors and marks outliers.

Clustering
Key Features:
  • Finds arbitrary shapes
  • Detects outliers
  • No need to specify K
🎨

Autoencoders

Neural networks that learn efficient representations by compressing input data and reconstructing it.

Dimensionality Reduction Feature Learning
Key Features:
  • Non-linear transformations
  • Anomaly detection
  • Data denoising

Deep Learning Architectures

Advanced neural network architectures for complex pattern recognition.

🎭

Generative Adversarial Networks

Two networks compete: a generator creates data while a discriminator evaluates its authenticity.

Generative Image Synthesis
Key Features:
  • Generates realistic data
  • Adversarial training
  • Image-to-image translation
🌊

Residual Networks (ResNet)

Very deep networks with skip connections that allow gradients to flow directly through the network.

Computer Vision Deep Architecture
Key Features:
  • Skip connections
  • Trains very deep networks
  • Identity mapping
🔮

Variational Autoencoders

Probabilistic generative models that learn latent representations with statistical properties.

Generative Unsupervised
Key Features:
  • Probabilistic approach
  • Continuous latent space
  • Data generation
📱

MobileNet

Efficient CNN architecture designed for mobile and embedded vision applications using depthwise separable convolutions.

Mobile AI Efficient
Key Features:
  • Lightweight model
  • Fast inference
  • Edge deployment

Reinforcement Learning Algorithms

Learn optimal actions through interaction with an environment.

🎮

Q-Learning

Model-free algorithm that learns action-value functions to determine optimal policies.

Value-Based
Key Features:
  • Off-policy learning
  • Discrete action spaces
  • Bellman equation
🎯

Deep Q-Network (DQN)

Combines Q-learning with deep neural networks to handle high-dimensional state spaces.

Deep RL Value-Based
Key Features:
  • Experience replay
  • Target networks
  • Plays Atari games
🎪

Policy Gradient

Directly optimizes the policy by following the gradient of expected rewards.

Policy-Based
Key Features:
  • Continuous actions
  • Stochastic policies
  • End-to-end learning
⚙️

Actor-Critic

Combines value-based and policy-based methods using separate actor and critic networks.

Hybrid
Key Features:
  • Reduced variance
  • Stable training
  • Flexible framework
🚀

Proximal Policy Optimization

State-of-the-art policy gradient method with clipped objective for stable and efficient learning.

Policy-Based Modern
Key Features:
  • Simple implementation
  • Stable updates
  • Sample efficient
🎲

Monte Carlo Tree Search

Planning algorithm that builds a search tree through simulation and backpropagation of results.

Planning
Key Features:
  • Heuristic search
  • Game playing (AlphaGo)
  • Balance exploration/exploitation