Search Results for author: Kexuan Li

Found 7 papers, 0 papers with code

Deep Learning for Efficient GWAS Feature Selection

no code implementations22 Dec 2023 Kexuan Li

Our extended approach enhances the original method by introducing a Frobenius norm penalty into the student network, augmenting its capacity to adapt to scenarios characterized by a multitude of features and limited samples.

Dimensionality Reduction feature selection

On the Confidence Intervals in Bioequivalence Studies

no code implementations11 Jun 2023 Kexuan Li, Susie Sinks, Peng Sun, Lingli Yang

A bioequivalence study is a type of clinical trial designed to compare the biological equivalence of two different formulations of a drug.

Semiparametric Regression for Spatial Data via Deep Learning

no code implementations10 Jan 2023 Kexuan Li, Jun Zhu, Anthony R. Ives, Volker C. Radeloff, Fangfang Wang

To be specific, we use a sparsely connected deep neural network with rectified linear unit (ReLU) activation function to estimate the unknown regression function that describes the relationship between response and covariates in the presence of spatial dependence.

regression

Deep Feature Screening: Feature Selection for Ultra High-Dimensional Data via Deep Neural Networks

no code implementations4 Apr 2022 Kexuan Li, Fangfang Wang, Lingli Yang, Ruiqi Liu

The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and strong model assumption.

feature selection

Calibrating multi-dimensional complex ODE from noisy data via deep neural networks

no code implementations7 Jun 2021 Kexuan Li, Fangfang Wang, Ruiqi Liu, Fan Yang, Zuofeng Shang

Our method is able to recover the ODE system without being subject to the curse of dimensionality and complicated ODE structure.

Nonparametric Inference under B-bits Quantization

no code implementations24 Jan 2019 Kexuan Li, Ruiqi Liu, Ganggang Xu, Zuofeng Shang

Statistical inference based on lossy or incomplete samples is often needed in research areas such as signal/image processing, medical image storage, remote sensing, signal transmission.

Quantization

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