@article{categoricalcofrequencyanalysisclustering,
  title = {Categorical Co-Frequency Analysis: Clustering Diagnosis Codes to Predict Hospital Readmissions},
  author = {Hallee E. Wong and Brianna C. Heggeseth and Steven J. Miller},
  year = {2019},
  eprint = {1909.00306},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.00306v1},
}