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Statistics Seminar

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**Seminars will be held In Person unless otherwise noted**

Fall 2025

Seminar One

September 11, 2025
Griffin Floyd Hall, Room 100

Martin Slawski
University of Virginia

Title:

Linked Data Analysis without Linkage

Abstract:

Record Linkage (RL) is widely regarded as the gold standard for leveraging information scattered across multiple files. At the same time, RL can be tedious, error-prone, and privacy-invasive, which has hampered a more widespread and streamlined adoption. In this talk, I introduce Unlinked Data Analysis as a novel paradigm enabling inference for associations of variables across files, without linking them.

In the first part, I discuss the task of learning a map between d-dimensional inputs and d-dimensional noisy outputs, without observing (input, output)-pairs, but only separate unordered lists of inputs and outputs. I show that this problem can be solved for Brenier maps and present a practical algorithm for denoising based on the Kiefer-Wolfowitz nonparametric maximum likelihood estimator (NPMLE) and techniques from optimal transport. I provide upper bounds on the resulting mean squared denoising error under (i) Gaussian noise and (ii) noise from a certain class of elliptic distributions.

In the second part, I give an overview of linear regression in the unlinked setting, with a particular focus on existing results and open problems related to identifiability.

Seminar Two

September 25, 2025
Zoom ID:

Jason Altschuler
University of Pennsylvania

Title:

TBD

Abstract:

TBD

Seminar Three

October 9, 2025
Griffin-Floyd Hall, Room 100

Krishna Balasubramanian
University of California-Davis

Title:

TBD

Abstract:

TBD

Seminar Four

October 23, 2025
Griffin-Floyd Hall, Room 100

Sanjay Chaudhuri
University of Nebraska

Title:

TBD

Abstract:

TBD

Seminar Five-Challis Lecture-Day One

October 28, 2025
Reitz Union, Room G320

Nancy Reid 
University of Toronto

Title:

TBD

Abstract:

TBD

Seminar Six-Challis Lecture-Day Two

October 29, 2025
Reitz Union, Room G320

Nancy Reid 
University of Toronto

Title:

TBD

Abstract:

TBD

Seminar Seven

November 6, 2025
Griffin-Floyd Hall, Room 100

Didong Li
UNC Chapel Hill

Title:

TBD

Abstract:

TBD

Seminar Eight

November 13, 2025
Griffin-Floyd Hall, Room 100

Nandita Mitra
University of Pennsylvania

Title:

TBD

Abstract:

TBD