Gongjun Xu

Hypothesis Testing for Hierarchical Structures in Cognitive Diagnosis Models

2021 · Journal of Data Science

Cognitive Diagnosis Models (CDMs) are a special family of discrete latent variable models widely used in educational, psychological and social sciences. In many applications of CDMs, certain hierarchical structures among the latent attributes are assumed …

tinyBenchmarks: evaluating LLMs with fewer examples

2024 · arXiv (Cornell University)

The versatility of large language models (LLMs) led to the creation of diverse benchmarks that thoroughly test a variety of language models' abilities. These benchmarks consist of tens of thousands of examples making evaluation of …