@article{JMLR:v23:21-0755,
  author  = {Jongkyeong Kang and Seung Jun Shin},
  title   = {A Forward Approach for Sufficient Dimension Reduction in Binary Classification},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {199},
  pages   = {1--31},
  url     = {http://jmlr.org/papers/v23/21-0755.html}
}