The Model Zoo of Cognitive Diagnosis Models, including classic Item Response Ranking (IRT), Multidimensional Item Response Ranking (MIRT), Deterministic Input, Noisy "And" model(DINA), and advanced Fuzzy Cognitive Diagnosis Framework (FuzzyCDF), Neural Cognitive Diagnosis Model (NCDM) and Item Response Ranking framework (IRR).

Computerized Adaptive Testing Simulator

An Item Response Theory Package for Python

A python library of IRT algorithm

Bayesian IRT submodule for GIRTH

Item Response Theory(irt)项目反应理论

implement machine learning models from scratch

A Explainable Artificial Intelligence tool focused in ensemble black box models, based in Item Response Theory, called eXirt.

Adaptive learning engine with IRT algorithm and AI-powered study plans using Gemin

ML/AI workers for Innova EdTech. Python 3.11 + Anthropic Claude + Gemini Vision. Implements BKT calibration, IRT fitting, LLM error classification, and OCR vision pipeline. AWS Lambda container images.

Recovering the latent cognitive structure of standardized examinations like JEE and NEET, and using it to generate personalized study plans

Adaptive GRE prep tool using 1PL IRT with Fisher Information item selection for real-time ability estimation. LLM generates personalized study plans with curated resources. Built with FastAPI, MongoDB Atlas, Clerk Auth, and OpenRouter. 74 tests, Docker support, structured logging.

IRT-based adaptive testing engine with real-time question selection

A fast IRT library — JAX-accelerated MMLE-EM for 1PL/2PL/3PL/4PL item response models (15–50x faster than girth)

1D Adaptive Testing Engine using Item Response Theory (IRT) | FastAPI · MongoDB Atlas · GPT-4o-mini | Dynamically adjusts GRE question difficulty based on real-time ability estimation

A Measurement Analysis of Multilingual Safety Evaluation (under review at COLM 2026)