Research

Preprints and Submitted Articles:

Publications: 

  1. A. Chaudhuri and S. Chatterjee. A Cross Validation Framework for Signal Denoising with Applications to Trend Filtering, Dyadic CART and Beyond. Annals of Statistics. To appear.
  2. S. Chatterjee and S. Goswami. Spatially Adaptive Online Prediction of Piecewise Regular Functions. Algorithmic Learning Theory 2023, 35 pp., Proc. Mach. Learn. Res. (PMLR), 201. 
  3. T.Zhang and S. Chatterjee. Element-wise Estimation Error of Generalized Fused Lasso. Bernoulli. To appear.
  4. Y.Yu, S. Chatterjee and H.Xu. Localizing Change Points in Piecewise Polynomials of General Degrees. To appear in Electronic Journal of Statistics.
  5. O.H.M Padilla and S. Chatterjee. Risk Bounds for Quantile Trend Filtering. Biometrika. To appear.
  6. S. Chatterjee and S. Goswami. Adaptive Estimation of Multivariate Piecewise Polynomials and Bounded Variation Functions by Optimal Decision Trees. Annals of Statistics. To appear. 
  7. S. Chatterjee and S. Goswami. New Risk Bounds in 2D Total Variation Denoising. IEEE Transactions of Information Theory, 2021
  8. A. Guntuboyina, D. Lieu, S. Chatterjee and B. Sen. Spatial Adaptation in Trend Filtering. Annals of Statistics Vol. 48, p. 205 – 229, 2020.
  9. S. Chatterjee and S. Mukherjee. On Estimation in Tournaments and Graphs Under Monotonicity Constraints IEEE Transactions on Information Theory, Vol. 65, Issue: 6, 2019
  10. Q. Han, T. Wang, S. Chatterjee and R. Samworth. Isotonic Regression in General Dimensions. Annals of Statistics, Vol. 43, Number 5, p. 2440 – 2471, 2019. Here is a recorded talk about the above paper.
  11. S. Chatterjee and J. Lafferty. Adaptive Risk Bounds in Unimodal Regression, Bernoulli,
    Vol. 25, Number 1, p. 1 – 25, 2019.
  12. M. Bonakdarpour, S. Chatterjee, R. Barber, J. Lafferty. Prediction rule reshaping. 35th International Conference on Machine Learning (ICML 2018).
  13. S. Chatterjee and J. Lafferty. Denoising Flows on Trees.  IEEE Transactions on Information Theory ( Volume: 64, Issue: 3, March 2018 )
  14. S. Chatterjee, A. Guntuboyina and B. Sen. Bernoulli. Bernoulli. On Matrix Estimation Under
    Monotonicity Constraints    , Vol. 24, p. 1072 – 1100, 2018.
  15. Y. Zhu, S. Chatterjee, J. Duchi and J. Lafferty. Local minimax complexity of stochastic convex optimization. Advances in Neural Information Processing Systems (NeurIPS 2016), p. 3423 – 3431, 2016.
  16. S. Chatterjee. An Improved Global Risk Bound in Concave Regression. Electronic Journal of Statistics 10.1 (2016): 1608-1629
  17. S. Chatterjee, A. Guntuboyina, and B. Sen. On risk bounds in isotonic and other shape restricted regression problems Annals of Statistics. vol. 43, pages 1774-1800, 2015
  18. S. Chatterjee and A. Barron. Information theoretic validity of Penalized Likelihood. IEEE International Symposium on Information Theory, ISIT 2014 (pp. 3027-3031).