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DTSTAMP:20251118T105513
DTSTART;TZID=America/Detroit:20251201T153000
DTEND;TZID=America/Detroit:20251201T170000
SUMMARY:Lecture / Discussion:Estimating the (Un)seen: Sample-dependent Mass Estimation
DESCRIPTION:We study mass estimation for distributions over countably infinite domains\, where the objective is to estimate the probability mass of sample-dependent sets. Classical results such as missing mass estimation and its k-heavy-hitters generalizations fit into this framework\, but little is known beyond these examples. We introduce a systematic study of mass estimation tasks defined by set-valued functions that map a finite sample to a subset of the domain\, and identify general conditions under which simple estimators succeed. In particular\, we show that the empirical-distribution-based estimator achieves vanishing error whenever the size of the image space of the set-valued function grows sublinearly with the sample size\, and that the leave-one-out estimator works whenever the set-valued function satisfies a natural stability property. These results unify and extend prior analyses\, yielding new guarantees for functionals such as neighboring mass\, pierced sets\, and structured combinations via unions and intersections. We conclude by broadening our scope to understand the landscape of estimatability. To that end\, we give an example of a set-valued function that is not estimatable and leave open the question of finding matching necessary and sufficient conditions for such functions to be estimatable.
UID:141973-21889703@events.umich.edu
URL:https://events.umich.edu/event/141973
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Dissertation
LOCATION:West Hall - 438
CONTACT:
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DTSTAMP:20251125T085427
DTSTART;TZID=America/Detroit:20251201T153000
DTEND;TZID=America/Detroit:20251201T170000
SUMMARY:Workshop / Seminar:RCGD Fall Seminar Series on the Science of Social Relationships: Shelby Scott
DESCRIPTION:Shelby Scott of the University of Texas San Antonio joins RCGD's Fall Seminar Series on the Science of Social Relationships.\n\nIntimate relationships play a critical role in shaping mental and physical health across the lifespan. However\, LGBTQ+ couples and families face unique stressors rooted in stigma\, discrimination\, and systemic inequities. In this talk\, I will present a programmatic line of research that integrates dyadic and longitudinal methods to understand how minority stress intersects with core relationship processes (e.g.\, communication\, stability). Drawing from studies of same-gender couples\, transgender and nonbinary partners\, and sexual minority women of color\, I will highlight findings from actor–partner interdependence models (APIM) that demonstrate both within-person and cross-partner effects of minority stress on relational outcomes. I will then describe the systematic approach my team has taken to intervention development\, including community-engaged qualitative work\, quantitative modeling of dyadic processes\, and the creation and testing of culturally informed relationship education programs. Collectively\, these studies underscore the importance of moving beyond deficit-based models to highlight both the vulnerabilities and cultural strengths of LGBTQ+ families\, with the goal of dismantling systemic barriers and advancing health equity. The talk will conclude by outlining ongoing and future directions\, including intervention refinement for transgender and nonbinary populations\, the development of minority stress prevention programs for LGBTQ+ youth\, and frameworks for supporting queer parents. \n\nShelby B. Scott\, Ph.D. (she/her)\, is an Assistant Professor of Clinical Psychology at the University of Texas at San Antonio and Director of the Promoting Resilience in DiversE Family (PRIDE) Studies Lab. Her research examines how minority stress shapes the relational and health outcomes of LGBTQ+ couples and families\, with a focus on same-gender couples\, transgender and nonbinary populations\, and sexual minority women of color. Using dyadic and longitudinal methodologies\, Dr. Scott’s work evaluates both universal and culturally specific relationship processes\, aiming to identify pathways that foster resilience and well-being. She has led intervention development efforts\, including relationship education programs for female same-gender couples and developed clinical guidelines for working with same-gender couples. Her research has been supported by the American Psychological Foundation\, the Gay and Lesbian Medical Association\, and the Association of American Medical Colleges. Dr. Scott is deeply committed to community-engaged scholarship\, dismantling systemic barriers to culturally responsive care\, and training the next generation of equity-focused researchers and clinicians.\n\nAbout the series:\nHumans are social animals and from the earliest days of life\, are dependent on the quality of social relationships with significant others: family\, kin\, friends\, and a growing social network of online acquaintances. But\, how do we conduct research and come to understand the social processes transpiring in these significant social connections with others? What are the consequences for individual development and mental health outcomes of having close intimate relationships in one’s life? There is also a darker side to some relationships in the form of violence\, aggression\, and conflict. How do we study these processes? Social media and artificial intelligence have opened up new ways of thinking about “what is a social relationship?” and how many of these “friends” can one truly have. \n\nThe speakers for this series will focus on different types of social relationships\, spanning family and parent-child relationships\, friendships\, peer networks\, romantic relationships\, attachment relationships\, and the use of online media to maintain social connections. Although several speakers are senior scholars with extensive research backgrounds in the field\, many are junior scholars who are traversing new paths into the science of social relationships. Please join us Mondays to learn more about the exciting field of social relationships!\n\nThis event will be held in person\, watch-party style\, as the speaker will be streaming in. \n\nThese events are held Mondays from 3:30 to 5.\nIn person: ISR Thompson 1430\, unless otherwise specified.\nOrganized by Brenda Volling and Richard Gonzalez.\nAs permissions allow\, seminars are later posted to our YouTube playlist.
UID:137069-21879471@events.umich.edu
URL:https://events.umich.edu/event/137069
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Psychology
LOCATION:Institute For Social Research - 1430
CONTACT:
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