Shikai Luo

Works (5)

Updated: March 28th, 2024 14:29

2018 journal article

FSEM: Functional Structural Equation Models for Twin Functional Data

Journal of the American Statistical Association, 114(525), 344–357.

By: S. Luo n, R. Song n , M. Styner *, J. Gilmore * & H. Zhu*

author keywords: Covariance function; Genetic and environmental effects; Weighted likelihood ratio test
TL;DR: A novel class of functional structural equation models (FSEMs) for dissecting functional genetic and environmental effects on twin functional data, while characterizing the varying association between functional data and covariates of interest are developed. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref
Added: July 1, 2019

2017 journal article

Semiparametric single-index model for estimating optimal individualized treatment strategy

ELECTRONIC JOURNAL OF STATISTICS, 11(1), 364–384.

By: R. Song n , S. Luo n, D. Zeng, H. Zhang, W. Lu n & Z. Li *

author keywords: Personalized medicine; single index model; semi-parametric inference
TL;DR: A new semiparametric additive single-index model for estimating individualized treatment strategy that assumes a flexible and nonparametric link function for the interaction between treatment and predictive covariates is proposed. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Forward selection and estimation in high dimensional single index models

Statistical Methodology, 33, 172–179.

By: S. Luo n & S. Ghosal n

author keywords: Forward selection; High dimension; Sparsity; Single index model; Penalization; Variable selection
TL;DR: A new penalized forward selection technique which can reduce highdimensional optimization problems to several one dimensional optimization problems by choosing the best predictor and then iterating the selection steps until convergence is proposed. (via Semantic Scholar)
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Added: August 6, 2018

2015 journal article

Prediction consistency of forward iterated regression and selection technique

Statistics & Probability Letters, 107, 79–83.

By: S. Luo n & S. Ghosal n

author keywords: Forward selection; High dimension; Sparsity; Linear regression; Penalization; Prediction consistency
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Added: August 6, 2018

2015 journal article

Quantitative tract-based white matter heritability in twin neonates

NEUROIMAGE, 111, 123–135.

By: S. Lee*, R. Steiner *, S. Luo n, M. Neale *, M. Styner *, H. Zhu *, J. Gilmore *

author keywords: Genetics; Diffusion tensor imaging (DTI); Quantitative tractography; Fractional anisotropy; Radial diffusivity; Axial diffusivity
MeSH headings : Brain / anatomy & histology; Diffusion Tensor Imaging / methods; Female; Gene-Environment Interaction; Humans; Infant, Newborn; Inheritance Patterns; Male; White Matter / anatomy & histology
TL;DR: The findings suggest that at birth, there is marked heterogeneity of genetic influences of white matter microstructure within white matter tracts, a period of rapid development that likely plays a major role in individual differences in white matter structure and function. (via Semantic Scholar)
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Added: August 6, 2018

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