@article{LiuSIM2026,
  title={Variance-Guided Regression for Heteroscedastic Data with a Grouping-Based Extension for Nonlinear Prediction},
  author={Liu, Sibei and Lu, Min},
  journal={Statistics in Medicine},
  volume={45},
  number={13-14},
  pages={e70632},
  year={2026},
  doi={10.1002/sim.70632},
  url={https://doi.org/10.1002/sim.70632}
}