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Machine-Learning

Computational Chemistry
Comparison chart showing k-NN significantly outperforming logistic regression for molecular classification across different alkane sizes

Can You Hear the Shape of a Molecule? (Part Three)

Supervised learning reveals hidden eigenvalue patterns that clustering missed, testing k-NN and logistic regression on …

Computational Chemistry
Charts showing Dunn Index, distance metrics, and computation time analysis revealing clustering performance degradation with molecular size

Can You Hear the Shape of a Molecule? (Part Two)

Clustering analysis reveals why Coulomb matrix eigenvalues struggle with larger alkanes, using Dunn Index and silhouette …

Computational Chemistry
3D ball-and-stick model of butane molecule showing linear carbon chain structure

Can You Hear the Shape of a Molecule?

Explore molecular shape recognition using Coulomb matrix eigenvalues. Analysis of alkane isomers from data generation to …

Computational Social Science
Machine learning visualization showing automated analysis of congressional legislation

Classifying Congressional Bills with Machine Learning

Testing ML classification of congressional bills by policy area. Comparing Naive Bayes, Logistic Regression, and XGBoost …

Computational Chemistry
Coulomb matrix heatmap visualization showing molecular structure encoding on logarithmic scale

Understanding Coulomb Matrices for Molecular Machine Learning

Learn how Coulomb matrices encode 3D molecular structure for machine learning—from basic theory to Python implementation …

Computational Social Science
Data visualization showing congressional bill analysis and legislative patterns

Congressional Data Analysis & Classification

Data science project scraping 47,000+ congressional bills, analyzing legislative patterns, and building ML models …...

Natural Language Processing

EigenNoise: Data-Free Word Vector Initialization

Investigation into EigenNoise, a data-free initialization scheme for word vectors that approaches pre-trained model …...

Computational Social Science
Network visualization showing social media conversational analysis and text relationships

PyConversations: Social Media Conversational Analysis

Undergraduate thesis exploring representation learning for social media text and developing tools for cross-platform …

Machine Learning Fundamentals
Vintage slot machine with multiple arms representing the multi-arm bandit problem in machine learning

A Framework for Multi-Arm Bandit Problems

Framework for understanding multi-arm bandit algorithms through five dimensions. Covers exploration vs exploitation and …

Machine Learning Fundamentals
Various symmetric and repetitive patterns generated by Compositional Pattern Producing Networks

HyperNEAT: Scaling Neuroevolution with Geometric Patterns

How HyperNEAT uses indirect encoding and geometric patterns to evolve large-scale neural networks with biological …

Machine Learning Fundamentals
NEAT genome encoding diagram showing node genes and connection genes with innovation numbers

NEAT: Evolving Neural Network Topologies

Learn about NEAT's approach to evolving neural networks: automatic topology design, historical markings, and speciation …

Machine Learning Fundamentals
Diagram showing the three main types of machine learning: supervised, unsupervised, and reinforcement learning

Breaking Down Machine Learning for the Average Person

Discover how machine learning actually works through three fundamental approaches, explained with everyday examples you …