Publications

Single-cell genomics research

coming soon!

Genomic/Genetic application-oriented methodologies

• T. Barry, Z. Niu, E. Katsevich, X. Lin. The permuted score test for robust differential expression analysis. Preprint. (paper)
• Z. Niu, J. R. Choudhury, E. Katsevich. Computationally efficient and statistically accurate conditional independence testing with spaCRT. Preprint. (paper, code)
• S. Mukherjee, Z. Niu, S. Halder, B. B. Bhattacharya, G. Michailidis. High Dimensional Logistic Regression Under Network Dependence. To appear at Journal of Machine Learning Research. (paper)

Computationally efficient testing methods

• A. Chatterjee, Z. Niu, B. B. Bhattacharya. A kernel-based conditional two-sample test using nearest neighbors (With applications to calibration, regression curves and simulation-based inference). Preprint. (paper, code, slides)
• Z. Niu, J. Meier, F-X, Briol. Discrepancy-based Inference for Intractable Generative Models using Quasi-Monte Carlo. Electronic Journal of Statistics. (paper, poster, slides, video)

Robust and powerful hypothesis testing methods

• Z. Niu, B. B. Bhattacharya. Distribution-free joint independence testing and robust independent component analysis using optimal transport. Major revision at Journal of the American Statistical Association. (paper, code)
• Z. Niu, A. Chakraborty, O. Dukes, E. Katsevich. Reconciling model-X and doubly robust approaches to conditional independence testing. To appear at Annals of Statistics. (paper, slides, code)
• Z. Niu, Y. Gu, W. Li. Estimation and inference for high-dimensional nonparametric additive instrumental-variables regression. Major revision at Electronic Journal of Statistics. (paper, slides)

Probabilistical tools

• Z. Niu, J. R. Choudhury, E. Katsevich. The saddlepoint approximation for averages of conditionally independent random variables. Preprint. (paper)