Search Results for author: Shamindra Shrotriya

Found 4 papers, 3 papers with code

Revisiting Le Cam's Equation: Exact Minimax Rates over Convex Density Classes

no code implementations20 Oct 2022 Shamindra Shrotriya, Matey Neykov

We study the classical problem of deriving minimax rates for density estimation over convex density classes.

Density Estimation

Adversarial Sign-Corrupted Isotonic Regression

1 code implementation14 Jul 2022 Shamindra Shrotriya, Matey Neykov

We develop \texttt{ASCIFIT}, a three-step estimation procedure under the \texttt{ASCI} setting.

regression

$\ell_{\infty}$-Bounds of the MLE in the BTL Model under General Comparison Graphs

1 code implementation20 Oct 2021 Wanshan Li, Shamindra Shrotriya, Alessandro Rinaldo

In this paper, we derive novel, general upper bounds on the $\ell_{\infty}$ estimation error of the BTL MLE that depend explicitly on the algebraic connectivity of the comparison graph, the maximal performance gap across items and the sample complexity.

Nonparametric Estimation in the Dynamic Bradley-Terry Model

1 code implementation28 Feb 2020 Heejong Bong, Wanshan Li, Shamindra Shrotriya, Alessandro Rinaldo

We propose a time-varying generalization of the Bradley-Terry model that allows for nonparametric modeling of dynamic global rankings of distinct teams.

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