@article{subjectclusteringbyifpcaandseveral,
  title = {Subject clustering by IF-PCA and several recent methods},
  author = {Dieyi Chen and Jiashun Jin and Zheng Tracy Ke},
  year = {2023},
  eprint = {2306.05363},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2306.05363v1},
}