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09/07/2023
Empirical Risk Minimization for Losses without Variance
This paper considers an empirical risk minimization problem under heavy-...
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08/01/2023
Copula for Instance-wise Feature Selection and Ranking
Instance-wise feature selection and ranking methods can achieve a good s...
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06/08/2023
A Cover Time Study of a non-Markovian Algorithm
Given a traversal algorithm, cover time is the expected number of steps ...
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11/15/2022
On Penalization in Stochastic Multi-armed Bandits
We study an important variant of the stochastic multi-armed bandit (MAB)...
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08/05/2022
Catoni-style Confidence Sequences under Infinite Variance
In this paper, we provide an extension of confidence sequences for setti...
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07/05/2022
Best Subset Selection with Efficient Primal-Dual Algorithm
Best subset selection is considered the `gold standard' for many sparse ...
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06/23/2022
Regression with Label Permutation in Generalized Linear Model
The assumption that response and predictor belong to the same statistica...
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06/22/2022
Offline Change Detection under Contamination
In this work, we propose a non-parametric and robust change detection al...
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12/22/2020
Identifiability of Bifactor Models
The bifactor model and its extensions are multidimensional latent variab...
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09/03/2020
Online Community Detection for Event Streams on Networks
A common goal in network modeling is to uncover the latent community str...
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02/20/2020
Network Group Hawkes Process Model
In this work, we study the event occurrences of user activities on onlin...
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11/05/2019
A Latent Topic Model with Markovian Transition for Process Data
We propose a latent topic model with a Markovian transition for process ...
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11/04/2019