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We explore the possibility of evaluating flow harmonics by employing the maximum likelihood estimator (MLE). For a given finite multiplicity, the MLE simultaneously furnishes estimations for all the parameters of the underlying distribution…

高能物理 - 唯象学 · 物理学 2023-08-16 Chong Ye , Wei-Liang Qian , Rui-Hong Yue , Yogiro Hama , Takeshi Kodama

Misclassification of binary responses, if ignored, may severely bias the maximum likelihood estimators (MLE) of regression parameters. For such data, a binary regression model incorporating misclassification probabilities is extensively…

统计理论 · 数学 2020-09-28 Arindam Chatterjee , Tathagata Bandyopadhyay , Sumanta Adhya

Finite mixture models are widely used in econometric analyses to capture unobserved heterogeneity. This paper shows that maximum likelihood estimation of finite mixtures of parametric densities can suffer from substantial finite-sample bias…

统计方法学 · 统计学 2026-02-04 Raphaël Langevin

Anomaly estimation, or the problem of finding a subset of a dataset that differs from the rest of the dataset, is a classic problem in machine learning and data mining. In both theoretical work and in applications, the anomaly is assumed to…

机器学习 · 计算机科学 2021-06-14 Uthsav Chitra , Kimberly Ding , Jasper C. H. Lee , Benjamin J. Raphael

Empirical economic research frequently applies maximum likelihood estimation in cases where the likelihood function is analytically intractable. Most of the theoretical literature focuses on maximum simulated likelihood (MSL) estimators,…

计量经济学 · 经济学 2019-08-13 Michael Griebel , Florian Heiss , Jens Oettershagen , Constantin Weiser

This study focuses on the estimation of the Emax dose-response model, a widely utilized framework in clinical trials, agriculture, and environmental experiments. Existing challenges in obtaining maximum likelihood estimates (MLE) for model…

统计方法学 · 统计学 2025-06-11 Giacomo Aletti , Nancy Flournoy , Caterina May , Chiara Tommasi

A number of applications (e.g., AI bot tournaments, sports, peer grading, crowdsourcing) use pairwise comparison data and the Bradley-Terry-Luce (BTL) model to evaluate a given collection of items (e.g., bots, teams, students, search…

机器学习 · 计算机科学 2019-06-12 Jingyan Wang , Nihar B. Shah , R. Ravi

We show that the maximum likelihood estimator (MLE) is an effective tool for mitigating non-flow effects in flow analysis. To this end, one constructs two toy models that simulate non-flow contributions corresponding to particle decay and…

The inherent bias pathology of the maximum likelihood (ML) estimation method is confirmed for models with unknown parameters $\theta$ and $\psi$ when MLE $\hat \psi$ is function of MLE $\hat \theta.$ To reduce $\hat \psi$'s bias the…

统计理论 · 数学 2014-09-11 Yannis G. Yatracos

Consider a setting with $N$ independent individuals, each with an unknown parameter, $p_i \in [0, 1]$ drawn from some unknown distribution $P^\star$. After observing the outcomes of $t$ independent Bernoulli trials, i.e., $X_i \sim…

统计理论 · 数学 2019-02-13 Ramya Korlakai Vinayak , Weihao Kong , Gregory Valiant , Sham M. Kakade

Unlike the commonly used parametric regression models such as mixed models, that can easily violate the required statistical assumptions and result in invalid statistical inference, target maximum likelihood estimation allows more realistic…

应用统计 · 统计学 2020-06-17 Chi Zhang , Jennifer Ahern , Mark J. van der Laan

Combining discrete probability distributions and combinatorial optimization problems with neural network components has numerous applications but poses several challenges. We propose Implicit Maximum Likelihood Estimation (I-MLE), a…

机器学习 · 计算机科学 2021-10-28 Mathias Niepert , Pasquale Minervini , Luca Franceschi

Large Language Models (LLMs) have shown impressive abilities in many applications. When a concrete and precise answer is desired, it is important to have a quantitative estimation of the potential error rate. However, this can be…

计算与语言 · 计算机科学 2024-12-20 Theodore Zhao , Mu Wei , J. Samuel Preston , Hoifung Poon

Generalized linear models (GLMs) are fundamental tools for statistical modeling, with maximum likelihood estimation (MLE) serving as the classical approach for parameter inference. While MLE performs well for canonical GLMs, it can become…

统计方法学 · 统计学 2026-03-03 Linglingzhi Zhu , Jonghyeok Lee , Yao Xie

We propose a new method for the Maximum Likelihood Estimator (MLE) of nonlinear mixed effects models when the variance matrix of Gaussian random effects has a prescribed pattern of zeros (PPZ). The method consists in coupling the recently…

统计方法学 · 统计学 2009-02-11 Djalil Chafai , Didier Concordet

The exact maximum likelihood estimate (MLE) provides a test statistic for the unit root test that is more powerful \citep[p. 577]{Fuller96} than the usual least squares approach. In this paper a new derivation is given for the asymptotic…

统计理论 · 数学 2016-11-04 Ying Zhang , H. Yu , A. I. McLeod

Mixture distributions with dynamic weights are an efficient way of modeling loss data characterized by heavy tails. However, maximum likelihood estimation of this family of models is difficult, mostly because of the need to evaluate…

统计方法学 · 统计学 2023-04-11 Marco Bee

In certain privacy-sensitive scenarios within fields such as clinical trial simulations, federated learning, and distributed learning, researchers often face the challenge of estimating correlations between variables without access to…

统计方法学 · 统计学 2025-08-05 Longwen Shang , Min Tsao , Xuekui Zhang

We address the challenge of performing Targeted Maximum Likelihood Estimation (TMLE) after an initial Highly Adaptive Lasso (HAL) fit. Existing approaches that utilize the data-adaptive working model selected by HAL-such as the relaxed HAL…

统计方法学 · 统计学 2025-06-23 Yi Li , Sky Qiu , Zeyi Wang , Mark van der Laan

Maximum Likelihood Estimation (MLE) and Likelihood Ratio Test (LRT) are widely used methods for estimating the transition probability matrix in Markov chains and identifying significant relationships between transitions, such as equality.…

统计方法学 · 统计学 2024-06-04 Yining Zhou , Ming Gao , Yiting Chen , Xiaoping Shi