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Kyunghee Han

dblp:122/0013 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2023
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Probabilistic and Bayesian machine learning · 25% Learning theory · 25% Representation and self-supervised learning · 25%
Theoretical computer science
1 paper
Algorithms and data structures · 100%

Topics — the 5 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Representation and self-supervised learning › representation learning
dimensionality reduction
0.712023
Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation · NeurIPS 2023
Machine learning › Learning theory › nonparametric regression
fréchet regression
0.712023
Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation · NeurIPS 2023
Machine learning › Kernel, tree and ensemble methods › linear model
principal component regression
0.712023
Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation · NeurIPS 2023
Machine learning › Probabilistic and Bayesian machine learning › statistical inference
regression
0.712023
Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation · NeurIPS 2023
Algorithms and data structures › matrix approximation
low-rank approximation
0.212023
Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation · NeurIPS 2023

Methods — techniques the papers use, named apart from their topics

principal component regression · 1.3low-rank covariate approximation · 1.3
YearPublicationVenuePosition
2023 Errors-in-variables Fr\'echet Regression with Low-rank Covariate Approximation
abstract
Fr\'echet regression has emerged as a promising approach for regression analysis involving non-Euclidean response variables. However, its practical applicability has been hindered by its reliance on ideal scenarios with abundant and noiseless covariate data. In this paper, we present a novel estimation method that tackles these limitations by leveraging the low-rank structure inherent in the covariate matrix. Our proposed framework combines the concepts of global Fr\'echet regression and principal component regression, aiming to improve the efficiency and accuracy of the regression estimator. By incorporating the low-rank structure, our method enables more effective modeling and estimation, particularly in high-dimensional and errors-in-variables regression settings. We provide a theoretical analysis of the proposed estimator's large-sample properties, including a comprehensive rate analysis of bias, variance, and additional variations due to measurement errors. Furthermore, our numerical experiments provide empirical evidence that supports the theoretical findings, demonstrating the superior performance of our approach. Overall, this work introduces a promising framework for regression analysis of non-Euclidean variables, effectively addressing the challenges associated with limited and noisy covariate data, with potential applications in diverse fields.
Dogyoon Song, Kyunghee Han
NeurIPS2