no code implementations • 26 Dec 2023 • Ehsan Latif, Luyang Fang, Ping Ma, Xiaoming Zhai
We compared accuracy with state-of-the-art (SOTA) distilled models, TinyBERT, and artificial neural network (ANN) models.
no code implementations • 14 Mar 2023 • Rui Xie, Shuyang Bai, Ping Ma
When applied to European power grid consumption data, the proposed leverage score based sampling methods outperform the benchmark sampling method in online estimation and prediction.
no code implementations • 31 May 2022 • Jingyi Zhang, Cheng Meng, Jun Yu, Mengrui Zhang, Wenxuan Zhong, Ping Ma
Theoretically, we show the selected subsample can be used for efficient density estimation by deriving the convergence rate for the proposed subsample kernel density estimator.
1 code implementation • NeurIPS 2019 • Cheng Meng, Yuan Ke, Jingyi Zhang, Mengrui Zhang, Wenxuan Zhong, Ping Ma
We theoretically show the proposed dimension reduction method can consistently estimate the most ``informative'' projection direction in each iteration.
1 code implementation • NeurIPS 2020 • Cheng Meng, Jun Yu, Jingyi Zhang, Ping Ma, Wenxuan Zhong
The proposed method, named principal optimal transport direction (POTD), estimates the basis of the SDR subspace using the principal directions of the optimal transport coupling between the data respecting different response categories.
no code implementations • 7 Aug 2020 • Jingyi Zhang, Wenxuan Zhong, Ping Ma
Optimal transport has been one of the most exciting subjects in mathematics, starting from the 18th century.
no code implementations • 24 Feb 2020 • Ping Ma, Xinlian Zhang, Xin Xing, Jingyi Ma, Michael W. Mahoney
In this article, we develop an asymptotic analysis to derive the distribution of RandNLA sampling estimators for the least-squares problem.
no code implementations • 6 Nov 2019 • Xin Xing, Zuofeng Shang, Pang Du, Ping Ma, Wenxuan Zhong, Jun S. Liu
Under such a framework, the probability density comparison is equivalent to testing the presence/absence of interactions.
no code implementations • 3 Feb 2017 • HaiYing Wang, Rong Zhu, Ping Ma
In this paper, we propose fast subsampling algorithms to efficiently approximate the maximum likelihood estimate in logistic regression.
no code implementations • 17 Sep 2015 • Rong Zhu, Ping Ma, Michael W. Mahoney, Bin Yu
For unweighted estimation algorithm, we show that its resulting subsample estimator is not consistent to the full sample OLS estimator.
no code implementations • 23 Jun 2013 • Ping Ma, Michael W. Mahoney, Bin Yu
A detailed empirical evaluation of existing leverage-based methods as well as these two new methods is carried out on both synthetic and real data sets.