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We prove that a class of randomized integration methods, including averages based on $(t,d)$-sequences, Latin hypercube sampling, Frolov points as well as Cranley-Patterson rotations, consistently estimates expectations of integrable…

数值分析 · 数学 2023-02-15 Julian Hofstadler , Daniel Rudolf

Generalization is the ability of machine learning models to make accurate predictions on new data by learning from training data. However, understanding generalization of quantum machine learning models has been a major challenge. Here, we…

量子物理 · 物理学 2024-08-07 Tobias Haug , M. S. Kim

This paper discusses semiparametric inference on hypotheses on the cointegration and the attractor spaces for $I(1)$ linear processes with moderately large cross-sectional dimension. The approach is based on empirical canonical correlations…

统计方法学 · 统计学 2025-12-17 Massimo Franchi , Paolo Paruolo

We establish several convexity properties for the entropy and Fisher information of mixtures of centered Gaussian distributions. First, we prove that if $X_1, X_2$ are independent scalar Gaussian mixtures, then the entropy of $\sqrt{t}X_1 +…

信息论 · 计算机科学 2024-02-19 Alexandros Eskenazis , Lampros Gavalakis

Many modern applications collect data that comes in federated spirit, with data kept locally and undisclosed. Till date, most insight into the causal inference requires data to be stored in a central repository. We present a novel framework…

统计方法学 · 统计学 2021-06-02 Thanh Vinh Vo , Trong Nghia Hoang , Young Lee , Tze-Yun Leong

The authors propose a robust semi-parametric empirical likelihood method to integrate all available information from multiple samples with a common center of measurements. Two different sets of estimating equations are used to improve the…

统计方法学 · 统计学 2012-10-03 Hsiao-Hsuan Wang , Yuehua Wu , Yuejiao Fu , Xiaogang Wang

This paper studies linear reconstruction of partially observed functional data which are recorded on a discrete grid. We propose a novel estimation approach based on approximate factor models with increasing rank taking into account…

统计理论 · 数学 2024-05-22 Maximilian Ofner , Siegfried Hörmann

The performance of text classification has improved tremendously using intelligently engineered neural-based models, especially those injecting categorical metadata as additional information, e.g., using user/product information for…

计算与语言 · 计算机科学 2019-02-15 Jihyeok Kim , Reinald Kim Amplayo , Kyungjae Lee , Sua Sung , Minji Seo , Seung-won Hwang

Computing accurate estimates of the Fourier transform of analog signals from discrete data points is important in many fields of science and engineering. The conventional approach of performing the discrete Fourier transform of the data…

机器学习 · 统计学 2017-12-08 Luca Ambrogioni , Eric Maris

Shape estimation and object reconstruction are common problems in image analysis. Mathematically, viewing objects in the image plane as random sets reduces the problem of shape estimation to inference about sets. Currently existing…

统计方法学 · 统计学 2009-03-12 Larissa I. Stanberry , Hanna K. Jankowski

The Fisher Information matrix is a widely used measure for applications ranging from statistical inference, information geometry, experiment design, to the study of criticality in biological systems. Yet there is no commonly accepted…

统计计算 · 统计学 2016-02-17 Omri Har Shemesh , Rick Quax , Borja Miñano , Alfons G. Hoekstra , Peter M. A. Sloot

Although there is growing interest in measuring integrated information in computational and cognitive systems, current methods for doing so in practice are computationally unfeasible. Existing and novel integration measures are investigated…

神经元与认知 · 定量生物学 2017-02-08 Max Tegmark

In this paper, we first generalize a value distribution result of Lahiri and Dewan [4] and as an application of this result we prove a normality criterion using partial sharing of small functions. Further, in sequel normality criteria of Hu…

复变函数 · 数学 2014-12-30 K. S. Charak , Shittal Sharma

This paper proposes a new approach to obtain uniformly valid inference for linear functionals or scalar subvectors of a partially identified parameter defined by linear moment inequalities. The procedure amounts to bootstrapping the value…

计量经济学 · 经济学 2023-05-09 JoonHwan Cho , Thomas M. Russell

Suppose that a mobile sensor describes a Markovian trajectory in the ambient space. At each time the sensor measures an attribute of interest, e.g., the temperature. Using only the location history of the sensor and the associated…

统计理论 · 数学 2017-10-02 Romain Azaïs , Bernard Delyon , François Portier

We present a novel synthesis of Fisher information and asset pricing theory that yields a practical method for reconstructing the probability density implicit in security prices. The Fisher information approach to these inverse problems…

统计力学 · 物理学 2008-12-10 Raymond J. Hawkins , B. Roy Frieden

We consider the problem of identifying universal low-dimensional features from high-dimensional data for inference tasks in settings involving learning. For such problems, we introduce natural notions of universality and we show a local…

机器学习 · 计算机科学 2019-11-22 Shao-Lun Huang , Anuran Makur , Gregory W. Wornell , Lizhong Zheng

We introduce two new classes of measures of information for statistical experiments which generalise and subsume $\phi$-divergences, integral probability metrics, $\mathfrak{N}$-distances (MMD), and $(f,\Gamma)$ divergences between two or…

机器学习 · 计算机科学 2023-09-11 Robert C. Williamson , Zac Cranko

Weak convergence of various general functionals of partial sums of dependent random variables to stochastic integral now play a major role in the modern statistics theory. In this paper, we obtain the weak convergence of various general…

概率论 · 数学 2010-08-03 Zheng-Yan Lin , Han-Chao Wang

Functional principal components (FPC's) provide the most important and most extensively used tool for dimension reduction and inference for functional data. The selection of the number, d, of the FPC's to be used in a specific procedure has…

统计理论 · 数学 2013-02-26 Stefan Fremdt , Lajos Horváth , Piotr Kokoszka , Josef G. Steinebach