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Author:

Wright, Isaac

Title:

Machine Learning Methods for Regression and Classification with Functional Data

Graduate Program:

Statistics

Keywords:

Functional Data
Boosting
Decision Trees
Classification
Regression
Machine Learning
Supervised Learning
Unsupervised Learning

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Committee Members:

Ephraim Hanks, Professor in Charge/Director of Graduate Studies
Jia Li, Major Field Member
Matthew Reimherr, Chair & Dissertation Advisor
John Liechty, Outside Unit & Field Member
Francesca Chiaromonte, Major Field Member

Author:

Srinivasan, Arun

Title:

Topics on High-Dimensional Statistical Methods for Compositional Data

Graduate Program:

Statistics

Keywords:

compositional data analysis
robust statistics
human microbiome
high-dimensional statistics
covariance estimation
knockoff filter
variable selection
tyler's m-estimator
huber's m-estimator

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Committee Members:

Lingzhou Xue, Chair & Dissertation Advisor
Xiang Zhan, Outside Unit & Field Member
Runze Li, Major Field Member
Francesca Chiaromonte, Major Field Member
Ephraim Hanks, Professor in Charge/Director of Graduate Studies

Author:

Liu, Shuo Shuo

Title:

Statistical Learning on High-Dimensional Multi-Source Data

Graduate Program:

Statistics

Keywords:

Transfer Learning
Multi-View Clustering
High-Dimensional Data
Machine Learning

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Xiang Zhu, Major Field Member
Lan Kong, Outside Unit & Field Member
Matthew Reimherr, Major Field Member
Runze Li, Chair & Dissertation Advisor

Author:

Sanei, Sanam

Title:

Essays in HIV: Mapping the distribution of marginalized groups and analysis of ART treatment effectiveness across patient groups

Graduate Program:

Statistics

Keywords:

HIV/AIDS Epidemiology
Key Population
Size Estimation
Generalized Linear Mixed-Effect Models (GLMM)
Bayesian Modeling
Mapping HIV Prevalence
Case-Control Sampling
Hidden Markov Models (HMM)

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Le Bao, Chair & Dissertation Advisor
Runze Li, Major Field Member
Lingzhou Xue, Major Field Member
Qiushi Chen, Outside Unit & Field Member

Author:

Vishwanath, Siddharth

Title:

Statistical Learning for Robust Topological Inference

Graduate Program:

Statistics

Keywords:

Topological data analysis
Topological inference
Statistical learning
Robust statistics
Generative models
Learning on graphs
Differential privacy

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Committee Members:

Bharath Kumar Sriperumbudur, Chair & Dissertation Advisor
Alexei Novikov, Outside Unit & Field Member
Kenji Fukumizu, Special Member
Aleksandra Slavkovic, Major Field Member
Satoshi Kuriki, Special Member
Nicole Lazar, Major Field Member
Bing Li, Professor in Charge/Director of Graduate Studies

Author:

Sheng, Tianhong

Title:

Statistical Learning with Conditional Independence and Graphical Models

Graduate Program:

Statistics

Keywords:

Conditional Independence
Graphical Models
Reproducing Kernel Hilbert Spaces
Cross-validation

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Committee Members:

Ephraim Mont Hanks, Professor in Charge/Director of Graduate Studies
David Hunter, Major Field Member
Bharath Kumar Sriperumbudur, Co-Chair & Dissertation Advisor
Rongling Wu, Outside Unit & Field Member
Bing Li, Co-Chair & Dissertation Advisor

Author:

Zhang, Zhe

Title:

Inference Methods for High-Dimensional Data: A Focus On Different Hypothesis Testing Problems

Graduate Program:

Statistics

Keywords:

statistical inference
high dimension
marginal coordinate hypothesis
sufficient dimension reduction
partial linear model
power enhancement
linear hypothesis

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Committee Members:

Murali Haran, Program Head/Chair
Bing Li, Major Field Member
Zhibiao Zhao, Major Field Member
Ming Wang, Outside Unit & Field Member
Runze Li, Chair & Dissertation Advisor

Author:

Zhang, Lixiang

Title:

Trustworthy Unsupervised and Supervised Learning

Graduate Program:

Statistics

Keywords:

Trustworthy Machine Learning
Clustering Uncertainty Assessment
Multi-view Stability-based Clustering
Enhancing Interpretability of DNN
Robust Surrogate Model for Uncertainty Quantification

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Committee Members:

Lin Lin, Major Field Member & Dissertation Advisor
Jia Li, Chair & Dissertation Advisor
Matthew Reimherr, Major Field Member
Emily Davenport, Outside Unit & Field Member
Ephraim Hanks, Professor in Charge/Director of Graduate Studies

Author:

Kang, Bokgyeong

Title:

Computational Methods and Spatial Models with Intractable Likelihoods

Graduate Program:

Statistics

Keywords:

Intractable likelihood
Hawkes process
Sample quality measure
Markov chain Monte Carlo
Spatially-varying dispersion
Zero inflation
Conway-Maxwell Poisson

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Matthew Ferrari, Outside Unit & Field Member
Stephen Berg, Major Field Member
Bharath Kumar Sriperumbudur, Major Field Member
John Hughes, Special Member
Murali Haran, Chair & Dissertation Advisor

Author:

Zhao, Ye Alex

Title:

Tests of Hypotheses on Regression Coefficients in High-Dimensional Regression Models

Graduate Program:

Statistics

Keywords:

high-dimensional inference
regression coefficient testing
hypothesis testing

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Committee Members:

Ephraim Hanks, Professor in Charge/Director of Graduate Studies
Rongling Wu, Outside Unit & Field Member
Le Bao, Major Field Member
Runze Li, Chair & Dissertation Advisor
Ethan Fang, Major Field Member

Author:

Sudhakar Shetty, Samidha

Title:

Statistical Analysis of Missing Not at Random Problems with a Nonparametric Regression Model and Semiparametric Missingness Mechanism.

Graduate Program:

Statistics

Keywords:

Efficient influence function model misspecification
nonignorable missing data
propensity of missing data
robust estimation
semiparametric statistics.
Nonignorable missing data
Semiparametric statistics
Efficient influence function
Robust estimation
Efficient estimation

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Yanyuan Ma, Chair & Dissertation Advisor
Xiaoyue Niu, Major Field Member
Rongling Wu, Outside Unit & Field Member
Bing Li, Major Field Member

Author:

Kelling, Claire

Title:

Advances in Spatial Models for Urban Crime

Graduate Program:

Statistics

Keywords:

spatial statistics
point process
criminology
policing

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Committee Members:

Corina Antohi Graif, Outside Unit & Field Member
Gizem Korkmaz, Special Member
Aleksandra Slavkovic, Co-Chair of Committee
Murali Haran, Co-Chair, Dissertation Advisor and Minor Member
Ephraim Mont Hanks, Program Head/Chair
Ephraim Hanks, Major Field Member

Author:

Zhang, Qi

Title:

Dimension Reduction and Graphical Models using Optimal Transport

Graduate Program:

Statistics

Keywords:

Sufficient dimension reduction;
Metric space-valued data;
Graphical model;
Optimal transport;

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Lingzhou Xue, Co-Chair & Dissertation Advisor
Ting He, Outside Unit & Field Member
Bing Li, Co-Chair & Dissertation Advisor
Runze Li, Major Field Member

Author:

Tong, Zhaoxue

Title:

Robust Techniques for High-dimensional Data: Modern Approaches and Applications

Graduate Program:

Statistics

Keywords:

feature screening
false discovery rate control
robust regression
and precision matrix estimation
feature screening
false discovery rate control
robust regression
precision matrix estimation
heavy-tailed data
model-free
strong oracle property
winsorization

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Yanyuan Ma, Major Field Member
Bing Li, Major Field Member
Ming Wang, Outside Unit & Field Member
Runze Li, Chair & Dissertation Advisor

Author:

Tao, Jun

Title:

New advances in structure learning of graphical models

Graduate Program:

Statistics

Keywords:

graphical model
statistical learning

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Committee Members:

Ephraim Mont Hanks, Professor in Charge/Director of Graduate Studies
Lingzhou Xue, Chair & Dissertation Advisor
Antonio Blanca, Outside Unit & Field Member
Bing Li, Dissertation Co-Advisor
Runze Li, Major Field Member

Author:

Kuvelkar, Alina

Title:

Practical Aspects of Statistical Modeling of Networks

Graduate Program:

Statistics

Keywords:

Respondent-driven Sampling
Exponential Random Graph Models
Stochastic Actor-Oriented Models
Social Networks
Network Clustering

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Ashton Verdery, Outside Unit & Field Member
David Hunter, Chair & Dissertation Advisor
YUBAI YUAN, Major Field Member
Xiaoyue Niu, Major Field Member
Pavel Krivitsky, Special Member
Michael Schweinberger, Major Field Member

Author:

Yang, Haoyi

Title:

TOPICS ON THEORETICAL FOUNDATIONS OF HIGH-DIMENSIONAL STATISTICS

Graduate Program:

Statistics

Keywords:

High-dimensional statistics
Sparse principal component analysis (Sparse PCA)
Elastic-Net
Ladle statistics
Variable selection
P-value combination
Dependent tests
Asymptotic theory
Iterative thresholding
Theoretical guarantees
High-dimensional data analysis
Convergence guarantees
Statistical properties
Spiked covariance model
Bootstrap variability
Simulation studies
Real-world applications
Bootstrap

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Lingzhou Xue, Chair & Dissertation Advisor
Bing Li, Major Field Member
Runze Li, Major Field Member
Qian Chen, Outside Unit & Field Member

Author:

Pisztora, Vincent

Title:

Model Agnostic Regularization via Data Augmentation and Explainable Ensembles

Graduate Program:

Statistics

Keywords:

Machine Learning
Deep Learning
Data Augmentation
Semi-Supervised Learning
Explainability
Interpretability
XAI

File:

Download Dissertation_Pisztora_PSU.pdf

Committee Members:

David Hunter, Major Field Member
Sharon Huang, Outside Field Member
Daniel Kifer, Outside Unit & Field Member
Jia Li, Chair & Dissertation Advisor
Francesca Chiaromonte, Major Field Member
Runze Li, Professor in Charge/Director of Graduate Studies

Author:

Roth, Samantha

Title:

Statistical Methods for Flood Hazard Models and Crop Yield Projections

Graduate Program:

Statistics

Keywords:

multiresolution
multifidelity
Gaussian process
statistical downscaling
statistical bias-correction
computer model calibration
uncertainty quantification
environmental statistics

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Enrique Del Castillo, Major Field Member
Klaus Keller, Special Member
Murali Haran, Chair & Dissertation Advisor
Nicole Lazar, Major Field Member
Robert Nicholas, Outside Unit & Field Member

Author:

Agarwala, Vandana

Title:

Cross-Species Prediction of Transcription Factor Binding

Graduate Program:

Statistics

Keywords:

Bioinformatics
Deep Learning
Gene Regulation
Domain Adaptation
Transfer Learning
Computational Biology
Machine Learning

File:

Download thesis.pdf

Committee Members:

Shaun Mahony, Thesis Advisor/Co-Advisor
Qunhua Li, Thesis Advisor/Co-Advisor
Ephraim Hanks, Professor in Charge/Director of Graduate Studies
Xiang Zhu, Committee Member