Search Results for author: Li Xing

Found 6 papers, 0 papers with code

Novel Modelling Strategies for High-frequency Stock Trading Data

no code implementations30 Nov 2022 Xuekui Zhang, Yuying Huang, Ke Xu, Li Xing

Full electronic automation in stock exchanges has recently become popular, generating high-frequency intraday data and motivating the development of near real-time price forecasting methods.

Feature Engineering Vocal Bursts Intensity Prediction

A systematic evaluation of methods for cell phenotype classification using single-cell RNA sequencing data

no code implementations1 Oct 2021 Xiaowen Cao, Li Xing, Elham Majd, Hua He, Junhua Gu, Xuekui Zhang

Methods and Results: This study evaluates 13 popular supervised machine learning algorithms to classify cell phenotypes, using published real and simulated data sets with diverse cell sizes.

BIG-bench Machine Learning Phenotype classification

Multi-Stage Graph Peeling Algorithm for Probabilistic Core Decomposition

no code implementations13 Aug 2021 Yang Guo, Xuekui Zhang, Fatemeh Esfahani, Venkatesh Srinivasan, Alex Thomo, Li Xing

To make the previous PA focus more on dense subgraphs, we propose a multi-stage graph peeling algorithm (M-PA) that has a two-stage data screening procedure added before the previous PA. After removing vertices from the graph based on the user-defined thresholds, we can reduce the graph complexity largely and without affecting the vertices in subgraphs that we are interested in.

Handling highly correlated genes in prediction analysis of genomic studies

no code implementations5 Jul 2020 Li Xing, Songwan Joun, Kurt Mackay, Mary Lesperance, Xuekui Zhang

Method: We propose a grouping algorithm, which treats highly correlated genes as a group and uses their common pattern to represent the group's biological signal in feature selection.

feature selection

Simultaneous prediction of multiple outcomes using revised stacking algorithms

no code implementations29 Jan 2019 Li Xing, Mary Lesperance, Xuekui Zhang

Our goal is to build a model using data in this database, which simultaneously predicts the resistance of multiple drugs using mutation information from sequences of viruses for any new patient.

Model-based clustering for identifying disease-associated SNPs in case-control genome-wide association studies

no code implementations21 Jun 2018 Yan Xu, Li Xing, Jessica Su, Xuekui Zhang, Weiliang Qiu

Genome-wide association studies (GWASs) aim to detect genetic risk factors for complex human diseases by identifying disease-associated single-nucleotide polymorphisms (SNPs).

Clustering

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