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This contribution provides a strategy for studying and modelling the deforestation and soil deterioration in the natural forest reserve of Peten, Guatemala, using a poor spatial database. A Multispectral Image Processing of Spot and TM…

应用统计 · 统计学 2009-04-03 Roberto Bruno , Marco Follador , Martin Paegelow , Fernanda Renno , Nathalie Villa

We consider a small area estimation model under square-root transformation in the presence of functional measurement error. When measurement error is present, the Bayes predictor can no longer be used as it depends on the covariates even if…

统计方法学 · 统计学 2023-09-27 Ka Long Keith Ho , Masayo Y. Hirose , Malay Ghosh

Single-parameter summaries of variable effects in regression settings are desirable for ease of interpretation. However (partially) linear models for example, which would deliver these, may fit poorly to the data. On the other hand, an…

统计理论 · 数学 2025-07-28 Harvey Klyne , Rajen D. Shah

The Nested Error Regression Model with High-Dimensional Parameters (NERHDP) is extended to address challenges in small area poverty estimation. A robust and flexible framework is proposed to derive empirical best predictors (EBPs) of small…

统计方法学 · 统计学 2026-03-11 Yuting Chen , Partha Lahiri , Nicola Salvati

The paper concerns small-area estimation in the Fay-Herriot type area-level model with random dispersions, which models the case that the sampling errors change from area to area. The resulting Bayes estimator shrinks both means and…

统计方法学 · 统计学 2015-07-30 Hiromasa Tamae , Tatsuya Kubokawa

We discuss estimation and inference of conditional treatment effects in regression discontinuity (RD) designs with multiple scores. In addition to local linear regressions and the minimax-optimal estimator more recently proposed by Imbens…

计量经济学 · 经济学 2025-06-10 Yiqi Liu , Yuan Qi

Contribution of this paper lies in the formulation and estimation of a generalized model for stochastic frontier analysis (SFA) that nests virtually all forms used and includes some that have not been considered so far. The model is based…

计量经济学 · 经济学 2020-10-13 Kamil Makieła , Błażej Mazur

This article considers the estimation of the number of severely disabled people using data from the Italian survey on Health Conditions and Appeal to Medicare. Disability is indirectly measured using a set of categorical items, which survey…

应用统计 · 统计学 2015-08-25 Enrico Fabrizi , Giorgio E. Montanari , Maria Giovanna Ranalli

Predictions of fatalities from violent conflict on the PRIO-GRID-month (pgm) level are characterized by high levels of uncertainty, limiting their usefulness in practical applications. We discuss the two main sources of uncertainty for this…

应用统计 · 统计学 2026-03-13 Daniel Mittermaier , Tobias Bohne , Martin Hofer , Daniel Racek

We give examples of data-generating models under which Breiman's random forest may be extremely slow to converge to the optimal predictor or even fail to be consistent. The evidence provided for these properties is based on mostly intuitive…

机器学习 · 统计学 2021-12-01 José A. Ferreira

We propose generalized random forests, a method for non-parametric statistical estimation based on random forests (Breiman, 2001) that can be used to fit any quantity of interest identified as the solution to a set of local moment…

统计方法学 · 统计学 2018-04-06 Susan Athey , Julie Tibshirani , Stefan Wager

Accurate estimates of subnational health and demographic indicators are critical for informing health policy decisions. Many countries collect relevant data using complex household surveys, but when data are limited, direct survey weighted…

统计方法学 · 统计学 2022-09-07 Peter A. Gao , Jon Wakefield

Climate change-associated disasters have become a significant concern, principally when affecting urban areas. Assessing these regions' resilience to strengthen their disaster management is crucial, especially in the areas vulnerable to…

计算机与社会 · 计算机科学 2024-11-25 Matheus Puime Pedra , Josune Hernantes , Leire Casals , Leire Labaka

The manuscript discusses how to incorporate random effects for quantile regression models for clustered data with focus on settings with many but small clusters. The paper has three contributions: (i) documenting that existing methods may…

统计方法学 · 统计学 2022-02-24 Maria Laura Battagliola , Helle Sørensen , Anders Tolver , Ana-Maria Staicu

Statistical multispecies models of multiarea marine ecosystems use a variety of data sources to estimate parameters using composite or weighted likelihood functions with associated weighting issues and questions on how to obtain variance…

应用统计 · 统计学 2012-02-16 Lorna Taylor , Verena M. Trenkel , Vojtech Kupca , Gunnar Stefansson

Inverse parameter estimation of process-based models is a long-standing problem in many scientific disciplines. A key question for inverse parameter estimation is how to define the metric that quantifies how well model predictions fit to…

种群与进化 · 定量生物学 2014-05-09 Florian Hartig , Claudia Dislich , Thorsten Wiegand , Andreas Huth

Empirical Bayes small area estimation based on the well-known Fay-Herriot model may produce unreliable estimates when outlying areas exist. Existing robust methods against outliers or model misspecification are generally inefficient when…

统计方法学 · 统计学 2022-06-28 Daisuke Kurisu , Takuya Ishihara , Shonosuke Sugasawa

In Small Area Estimation data linkage can be used to combine values of the variableof interest from a national survey with values of auxiliary variables obtained from another source like a population register. Linkage errors can induce bias…

统计方法学 · 统计学 2019-04-02 Ray Chambers , Enrico Fabrizi , Nicola Salvati

When random effects are correlated with sample design variables, the usual approach of employing individual survey weights (constructed to be inversely proportional to the unit survey inclusion probabilities) to form a pseudo-likelihood no…

统计方法学 · 统计学 2021-08-26 Terrance D. Savitsky , Matthew R. Williams

Learning models that can handle distribution shifts is a key challenge in domain generalization. Invariance learning, an approach that focuses on identifying features invariant across environments, improves model generalization by capturing…

机器学习 · 统计学 2026-05-11 Yiran Jia , Jelena Bradic