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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;

File:

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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

File:

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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:

Cheng, Vivian

Title:

Distributed Inference for Nonparametric Regression Models: Optimal Weighted Averaging and Bandwidth Selection

Graduate Program:

Statistics

Keywords:

Distributed Learning
Nonparametric Regression Models
Semiparametric Models
Varying Coefficient Model
Partial Linear Varying Coefficient Model
Parkinson's Disease

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Committee Members:

Bing Li, Professor in Charge/Director of Graduate Studies
Lan Kong, Outside Unit & Field Member
Le Bao, Major Field Member
Zhibiao Zhao, Major Field Member
Runze Li, Chair & Dissertation Advisor