In this talk, Hande will give an overview of some of the best practices a data scientist should know. These will include topics like virtual environments, utilizing functions, code documentation and other things that you could start incorporating in your data science projects or coding in general. She will also include some quick tips and advice...
Creator:
Tuzel, Hande (Sabre Corporation)
Created:
2022-02-11
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Value creation in private equity investment portfolios is fundamental to delivering results for PE customers. Our focus is in the energy and transportation sectors, and by having deep understanding of how these industries work, we explore applications where advanced analytics and better use of data can create more efficient operations and growth...
Creator:
Einset, Erik (Global Infrastructures Partners)
Created:
2022-04-01
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
This talk will describe a suite of physically inspired instruments we've developed to enable exploration of large-scale text data, illuminate collective behavioral patterns, and develop a science of stories. Along with our flagship efforts at http://hedonometer.org and https://storywrangling.org we show how Instagram photos reveal markers of dep...
Creator:
Kileel, Joe (The University of Texas at Austin)
Created:
2022-02-08
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Food has always been a part of Emilee Xayanourom's life. She grew up making and eating authentic Lao dishes, and now owns a food truck with her family so that she can share her love of food with others in Minnesota.
Creator:
Xayanourom, Emilee
Contributor:
Rolland, Isabella
Created:
2022-04-19
Contributed By:
University of Minnesota, Immigration History Research Center
Ernesto's granddaughter Isabel talks about her experienes being from an immigrant family. Then, Ernesto is interviewed about his life in the Philippines and his perspective on his life as an immigrant in the U.S.
Creator:
Laderman, Isabel
Contributor:
Rolland, Isabella
Created:
2022-04-12
Contributed By:
University of Minnesota, Immigration History Research Center
Clustering algorithms based on mean shift or spectral methods on graphs are ubiquitous in data analysis. However, in practice, these two types of algorithms are treated as conceptually disjoint: mean shift clusters based on the density of a dataset, while spectral methods allow for clustering based on geometry. In joint work with Nicolás ...
Creator:
Craig, Katy (University of California, Santa Barbara)
Created:
2022-02-15
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Modern learning algorithms such as deep neural networks operate in regimes that defy the traditional statistical learning theory. Neural networks architectures often contain more parameters than training samples. Despite their huge complexity, the generalization error achieved on real data is small. In this talk, we aim to study the generalizati...
Creator:
Seroussi, Inbar (Weizmann Institute of Science)
Created:
2022-04-12
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Many diseases are complex heterogeneous conditions that affect multiple organs in the body and depend on the interplay between several factors that include molecular and environmental factors, thus requiring a holistic approach in understanding the complexity and heterogeneity. In this talk, I will present some of our current statistical and ma...
Creator:
Safo, Sandra (University of Minnesota, Twin Cities)
Created:
2022-02-22
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
In the context of numerical linear algebra algorithms, where it is natural to sacrifice accuracy in return for quicker computation of solutions whose errors are only slightly larger than optimal, the time-accuracy tradeoff of randomized sketching has been well-characterized. Algorithms such as Blendenpik and LSRN have shown that carefully design...
Creator:
Gittens, Alex (Rensselaer Polytechnic Institute)
Created:
2022-01-25
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Margaret Deirdre O'Hartigan is an Irish Catholic transsexual woman, transsexual health and rights activist, writer, and retired secretary and typesetter living in Portland, Oregon. Prior to her retirement, O'Hartigan was involved in a number of trans civil rights and nondiscrimination campaigns in Oregon, Washington, and Minnesota, including suc...
Creator:
O'Hartigan, Margaret Deirdre (interviewee)
Contributor:
Billund-Phibbs, Myra (interviewer, project manager, and transciber)
Created:
2022-04-06
Contributed By:
University of Minnesota Libraries, Jean-Nickolaus Tretter Collection in Gay, Lesbian, Bisexual and Transgender Studies.
Lillian Gamm arrived at Ellis Island from Russia on April 19, 1910. While living in Manhattan, she worked hard as a bookkeeper, raised a family, and pursued her dreams.
Creator:
Feldman, Jonah
Contributor:
Rolland, Isabella
Created:
2022-05-02
Contributed By:
University of Minnesota, Immigration History Research Center
Luu Nhat Tam Ngyuen moved to the U.S. with her mom and dad in 2019. Unfortunately, her sister was not able to join them because of her age. Luu Nhat Tam is the only person who can speak English in her family.
Creator:
Nguyen, Luu Nhat Tam
Contributor:
Rolland, Isabella
Created:
2022-05-09
Contributed By:
University of Minnesota, Immigration History Research Center
In this talk, I focus on the multivariate method of moments for parameter estimation. First from a theoretical standpoint, we show that in problems where the noise is high, the number of observations necessary to estimate parameters is dictated by the moments of the distribution. Second from a computational standpoint, we address the curse of di...
Creator:
Pereira, Joao (The University of Texas at Austin)
Created:
2022-04-05
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Adversarial training is a framework widely used by machine learning practitioners to enforce robustness of learning models. Despite the development of several computational strategies for adversarial training and some theoretical development in the broader distributionally robust optimization literature, there are still several theoretical quest...
Creator:
Garcia Trillos, Nicolas (University of Wisconsin, Madison)
Created:
2022-03-01
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
The assumption that high dimensional data is Gaussian is pervasive in many statistical procedures, due not only to its tail decay, but also to the level of analytic tractability this special distribution provides. We explore the relaxation of the Gaussian assumption in Single Index models and Shrinkage estimation using two tools that originate i...
Creator:
Goldstein, Larry (University of Southern California)
Created:
2022-03-29
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Sarah Reyes was born in the Phlippines and moved to the U.S. when she was in middle school. Though she faced a lot of racial discrimination in her first years of being here, she eventually found a Filipino American community that she is proud to be a part of now.
Creator:
Haakonsen, Malia
Contributor:
Rolland, Isabella
Created:
2022-05-02
Contributed By:
University of Minnesota, Immigration History Research Center
In recent years, the need to accommodate non-Euclidean structures in data science has brought a boom in deep learning methods on graphs, leading to many practical applications with commercial impact. In this talk, we will review the mathematical foundations of the generalization capabilities of graph convolutional neural networks (GNNs). We will...
Creator:
Levie, Ron (Ludwig-Maximilians-Universität München)
Created:
2022-02-01
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
The game of football is undergoing a significant shift towards the quantitative. Much of the progress made in the analytics space can be attributed to play-by-play data and charting data. However, recent years have given rise to tracking data, which has opened the door for innovation that was not possible before. In this talk I will describe ho...
Creator:
Eager, Eric (ProFootballFocus
Created:
2022-02-18
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Multimorbidity, the coexistence of two or more health conditions, has become more prevalent as mortality rates in many countries have declined and their populations have aged. Multimorbidity presents significant difficulties for Clinical Decision Support Systems (CDSS), particularly in cases where recommendations from relevant clinical guideline...
Creator:
Michalowski, Martin (University of Minnesota, Twin Cities)
Created:
2022-03-22
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Yeshi Gongpatsang was forced to flee her home country of Tibet in 1969 when the Chinese Communist Party invaded. When she came to the U.S., she still risked her life by doing a hunger strike to raise awareness about injustices in Tibet.
Creator:
Lobsang, Ngawang
Contributor:
Rolland, Isabella
Created:
2022-04-26
Contributed By:
University of Minnesota, Immigration History Research Center
Yubin Sun was born in South Korea, went to college in Japan, and is now an international student at the University of Minnesota. Her journey was delayed because of Covid-19, but she is grateful for her experiences.
Creator:
Sun, Yubin
Contributor:
Rolland, Isabella
Created:
2022-04-26
Contributed By:
University of Minnesota, Immigration History Research Center
The Metropolis Algorithm is an extremely useful and popular method of approximately sampling from complicated probability distributions. "Adaptive" versions automatically modify the algorithm while it runs, to improve its performance on the fly, but at the risk of destroying the Markov chain properties necessary for the algorithm to be valid. I...
Creator:
Rosenthal, Jeffrey (University of Toronto)
Created:
2021-03-23
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
In many scientific areas, a deterministic model (e.g., a differential equation) is equipped with parameters. In practice, these parameters might be uncertain or noisy, and so an honest model should provide a statistical description of the quantity of interest. Underlying this computational question is a fundamental one - If two "similar" functio...
Creator:
Sagiv, Amir (Columbia University)
Created:
2021-01-26
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Going from a scientific background into something that people haven't done comes with moments where you don't know what you're talking about... if you talk, that is. Admitting the times you don't know how your work can help and introducing your work when it may be able to help - that timing can be hard. I went from the field I was trained in...
Creator:
Oliver, Dean ( NBA's Washington Wizards)
Created:
2021-09-10
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Betula Ali's family moved from Somalia to Ethiopia during a war. They came to the U.S. in 2012. Though it has taken them some time to navigate the new culture, weather, and language, they have overcame all of their challenges by supporting each other.
Creator:
Ali, Betula
Contributor:
Rolland, Isabella
Created:
2021-12-13
Contributed By:
University of Minnesota, Immigration History Research Center
Bridget Feeney grew up in the rural countryside of Ireland. She moved to the U.S. in 1900 to follow in her older sister's footsteps, and made a life for herself in Boston. Her great great granddaughter tells her story.
Creator:
Ferry, Jack
Contributor:
Rolland, Isabella
Created:
2021-12-02
Contributed By:
University of Minnesota, Immigration History Research Center
Christopher Chavez's grandmother was born in El Salvador and his grandfather was born in Mexico. They met in Texas and moved into a house that Christopher was raised in. He reflects on his life with his family.
Creator:
Chavez, Christopher
Contributor:
Rolland, Isabella
Created:
2021-09-05
Contributed By:
University of Minnesota, Immigration History Research Center
This sign was on the doors to the Library Annex building throughout Fall 2020 and Spring 2021. It reads: "The Library Annex is Closed for the Fall Semester. Need to connect with our Archives & Special Collections Department? If you need to connect with our Archives & Special Collections Department, please reach out to our Archives staff at: [con...
Creator:
Aue, Shana
Created:
2021-03-23
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
3D printing and design allows us to physically experience complex mathematical objects. In this talk we’ll take a 3D-printed tour of mathematical knots, tessellations, fractals, and polyhedra. Using code and generative design we can create parametric models that leverage randomness to achieve structural variety or even organic-looking behavior. ...
Creator:
Taalman, Laura (James Madison University)
Created:
2021-02-09
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
The leading eigenvalue problem of a differential operator arises in many scientific and engineering applications, in particular quantum many-body problems. Due to the curse of dimensionality conventional algorithms become impractical due to the huge computational and memory complexity. In this talk, we will discuss some of our recent works on d...
Creator:
Lu, Jianfeng (Duke University)
Created:
2021-03-02
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
There are two signs on the door. The larger sign is red and gold (UMD's colors) and has a line drawing of a face mask. It reads: "+ STOP THE SPREAD OF COVID-19 + FACE COVERING REQUIRED. SEE ALL SAFETY GUIDELINES: [URL]." The smaller, postcard-sized sign is blue with yellow lettering and has an illustration of blue string lights. It reads: "THANK...
Creator:
Aue, Shana
Created:
2021-03-23
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
A small group of people waiting to be vaccinated in the Great Hall at the Duluth Depot. Also visible are chairs for waiting the required fifteen minutes after receiving a shot.
Created:
2021-02
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
These photographs were taken at the Duluth Curling Club on women's league night. Four of the photographs are of players on the ice at various points during a game. All players are wearing face masks. Appearing in the photos are Kristin Trelstad, Bethany Nyland, Jenna Pernu, and Mariah Davis-Vitiritto. The fifth image is of a sign at the curling ...
Creator:
Trelstad, Kristin; Trelstad, Jesse
Created:
2021-02
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
Securing cyber systems is paramount, but cyber defenders lack evidence-based techniques required to make high-consequence decisions. With lack of principled and rigorous measurements and models, cyber defenders resort to heuristics and expert intuitions. Cyber experimentation is commonly used in security, and we approach this problem as a new ...
Creator:
Pinar, Ali (Sandia National Laboratories)
Created:
2021-02-19
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Damanta Basnet was born in Beldangi 2 refugee camp in Damak, Nepal. Her parents moved there after the Lhotsampas were forced to leave Bhutan in the 1990s. Damanta and her family moved to Minnesota in 2011 and overcame many obstacales while adjusting to the new culture.
Creator:
Basnet, Damanta
Contributor:
Rolland, Isabella
Created:
2021-05-22
Contributed By:
University of Minnesota, Immigration History Research Center
Daniel Castellon is a second-generation immigrant, raised in Texas by his father who is from El Salvador. He talks about his life growing up with his family in the U.S.
Creator:
Castellon, Daniel
Contributor:
Rolland, Isabella
Created:
2021-09-23
Contributed By:
University of Minnesota, Immigration History Research Center
Widespread application of modern machine learning has increased the need for robust statistical algorithms. One fundamental geometric quantity in robust statistics is known as a data depth, which generalizes the notion of quantiles and medians to multiple dimensions. This talk will discuss recent work (in collaboration with Martin Molina-Fructuo...
Creator:
Murray, Ryan (North Carolina State University)
Created:
2021-10-19
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
The Data Science group at The New York Times develops and deploys machine learning solutions to newsroom and business problems. Re-framing real-world questions as machine learning tasks requires not only adapting and extending models and algorithms to new or special cases but also sufficient breadth to know the right method for the right challen...
Creator:
Wiggins, Chris (Columbia University)
Created:
2021-02-26
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Imposter Syndrome intensifies each day with growing expectations of being a data scientist. You need to have strong quantitative and technical skills (mathematics, statistics, computer science, operations research, optimization, machine learning), business knowledge and consulting skills (problem formulation and framing), relationship and commun...
Creator:
Dhamodaran, Sharath (OptumLabs)
Created:
2021-10-15
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
David Peal was born on the West Coast of Africa and moved to the U.S. because of a civil war in his country. He grew up in Massachusetts and then attended Gustavus Adolphus College. He reflects on his successes.
Creator:
Bradley, Andrew
Contributor:
Rolland, Isabella
Created:
2021-10-22
Contributed By:
University of Minnesota, Immigration History Research Center
Data with low-dimensional nonlinear structure are ubiquitous in engineering and scientific problems. We study a model problem with such structure—a binary classification task that uses a deep fully-connected neural network to classify data drawn from two disjoint smooth curves on the unit sphere. Aside from mild regularity conditions, we p...
Creator:
Wright, John (Columbia University)
Created:
2021-03-30
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
This photograph was taken on the first floor of the library, at the main entrance. During the COVID-19 pandemic, library patrons were directed to enter through one lane of the entrance and exit through another, to aid with physical distancing. The sticker reads: "ENTRANCE ONLY DO NOT EXIT." The sticker was originally red and gold, UMD's colors, ...
Creator:
Aue, Shana
Created:
2021-03-23
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
Consider a particular quantitative trait, and suppose we want to discover a function that maps how n participating genes (or even environmental influences) interact to express the trait. Under plausible assumptions of how they evolved, certain traits can be viewed as “smooth” functions on the n-dimensional Boolean lattice of possibl...
Creator:
Herman, Matthew (Fourier Genetics)
Created:
2021-02-12
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
These two large masks are on the wall near the theatre space at the Duluth Depot. In this photograph, they are each wearing two disposable face masks, one each over their noses and mouths. A bottle of hand sanitizer is on a pillar between the masks. This photograph was taken while a vaccination clinic was being run in the Great Hall at the Depot.
Created:
2021-02
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth
Elena Hernandez in Mexico in 1977. At the age of 19 she gave birth to her first daughter and travelled to the United States to live with her father using a relative's documents. Elena's story is told by her daughter and details the dangers that migrants can face when crossing the U.S.-Mexico border.
Creator:
Hernandez, Sinai
Contributor:
Rolland, Isabella
Created:
2021-04-21
Contributed By:
University of Minnesota, Immigration History Research Center
