1 code implementation • 9 Dec 2023 • Ryan J. Urbanowicz, Harsh Bandhey, Brendan T. Keenan, Greg Maislin, Sy Hwang, Danielle L. Mowery, Shannon M. Lynch, Diego R. Mazzotti, Fang Han, Qing Yun Li, Thomas Penzel, Sergio Tufik, Lia Bittencourt, Thorarinn Gislason, Philip de Chazal, Bhajan Singh, Nigel McArdle, Ning-Hung Chen, Allan Pack, Richard J. Schwab, Peter A. Cistulli, Ulysses J. Magalang
While machine learning (ML) includes a valuable array of tools for analyzing biomedical data, significant time and expertise is required to assemble effective, rigorous, and unbiased pipelines.
1 code implementation • 17 Apr 2022 • Zhexiao Lin, Fang Han
Establishing the limiting distribution of Chatterjee's rank correlation for a general, possibly non-independent, pair of random variables has been eagerly awaited to many.
no code implementations • 4 Dec 2021 • Fang Han, Zhen Miao, Yandi Shen
The Gaussian-smoothed optimal transport (GOT) framework, pioneered in Goldfeld et al. (2020) and followed up by a series of subsequent papers, has quickly caught attention among researchers in statistics, machine learning, information theory, and related fields.
no code implementations • 6 Jun 2021 • Zhen Miao, Weihao Kong, Ramya Korlakai Vinayak, Wei Sun, Fang Han
This paper investigates the theoretical and empirical performance of Fisher-Pitman-type permutation tests for assessing the equality of unknown Poisson mixture distributions.
1 code implementation • 5 Oct 2017 • Jens B. Stephansen, Alexander N. Olesen, Mads Olsen, Aditya Ambati, Eileen B. Leary, Hyatt E. Moore, Oscar Carrillo, Ling Lin, Fang Han, Han Yan, Yun L. Sun, Yves Dauvilliers, Sabine Scholz, Lucie Barateau, Birgit Hogl, Ambra Stefani, Seung Chul Hong, Tae Won Kim, Fabio Pizza, Giuseppe Plazzi, Stefano Vandi, Elena Antelmi, Dimitri Perrin, Samuel T. Kuna, Paula K. Schweitzer, Clete Kushida, Paul E. Peppard, Helge B. D. Sorensen, Poul Jennum, Emmanuel Mignot
Analysis of sleep for the diagnosis of sleep disorders such as Type-1 Narcolepsy (T1N) currently requires visual inspection of polysomnography records by trained scoring technicians.
no code implementations • NeurIPS 2015 • Huitong Qiu, Fang Han, Han Liu, Brian Caffo
We propose a robust portfolio optimization approach based on quantile statistics.
no code implementations • 11 Feb 2015 • Cheng Zhou, Fang Han, Xinsheng Zhang, Han Liu
Theoretically, we develop a theory for testing the equality of U-statistic based correlation matrices.
no code implementations • 18 Feb 2014 • Fang Han, Han Liu
We propose a new high dimensional semiparametric principal component analysis (PCA) method, named Copula Component Analysis (COCA).
no code implementations • NeurIPS 2013 • Fang Han, Han Liu
In this paper we focus on the principal component regression and its application to high dimension non-Gaussian data.
no code implementations • 1 Nov 2013 • Huitong Qiu, Fang Han, Han Liu, Brian Caffo
In this manuscript we consider the problem of jointly estimating multiple graphical models in high dimensions.
no code implementations • 14 Oct 2013 • Fang Han, Han Liu
In the non-sparse setting, we show that ECA's performance is highly related to the effective rank of the covariance matrix.
no code implementations • 7 Aug 2013 • Jianqing Fan, Fang Han, Han Liu
Big Data bring new opportunities to modern society and challenges to data scientists.
no code implementations • 1 Jul 2013 • Fang Han, Huanran Lu, Han Liu
In addition, we provide thorough experiments on both synthetic and real-world equity data to show that there are empirical advantages of our method over the lasso-type estimators in both parameter estimation and forecasting.
no code implementations • 30 Jun 2013 • Zhaoran Wang, Fang Han, Han Liu
We study sparse principal component analysis for high dimensional vector autoregressive time series under a doubly asymptotic framework, which allows the dimension $d$ to scale with the series length $T$.
no code implementations • 29 May 2013 • Fang Han, Han Liu
The current state-of-the-art in estimating large correlation matrices focuses on the use of Pearson's sample correlation matrix.