Results 1 to 10 of about 2,080 (215)

Exploring the relationship between temperature forecast errors and Earth system variables [PDF]

open access: yesEarth System Dynamics, 2022
Accurate subseasonal weather forecasts, from 2 weeks up to a season, can help reduce costs and impacts related to weather and corresponding extremes. The quality of weather forecasts has improved considerably in recent decades as models represent more ...
M. Ruiz-Vásquez   +10 more
doaj   +1 more source

Identification of Fractional Models of an Induction Motor with Errors in Variables

open access: yesFractal and Fractional, 2023
The skin effect in modeling an induction motor can be described by fractional differential equations. The existing methods for identifying the parameters of an induction motor with a rotor skin effect suggest the presence of errors only in the output ...
Dmitriy Ivanov
doaj   +1 more source

Testing straightness of line objects using total least squares [PDF]

open access: yesTehnika, 2017
The paper presents the adaptation (fitting) of a set of points, with an estimated two-dimensional positions, to the straight line model of the by the application of the Weighted Total Least Squares, WTLS.
Popović Jovan   +4 more
doaj   +1 more source

Finite Impulse Response Errors-in-Variables System Identification Utilizing Approximated Likelihood and Gaussian Mixture Models

open access: yesIEEE Access, 2023
In this paper a Maximum likelihood estimation algorithm for Finite Impulse Response Errors-in-Variables systems is developed. We consider that the noise-free input signal is Gaussian-mixture distributed.
Angel L. Cedeno   +4 more
doaj   +1 more source

Prediction in polynomial errors-in-variables models

open access: yesModern Stochastics: Theory and Applications, 2020
A multivariate errors-in-variables (EIV) model with an intercept term, and a polynomial EIV model are considered. Focus is made on a structural homoskedastic case, where vectors of covariates are i.i.d. and measurement errors are i.i.d. as well.
Alexander Kukush, Ivan Senko
doaj   +1 more source

On Seemingly Unrelated Regression Model with Skew Error

open access: yesJournal of Statistical Theory and Applications (JSTA), 2021
Sometimes, invoking a single causal relationship to explain dependency between variables might not be appropriate particularly in some economic problems.
Omid Akhgari, Mousa Golalizadeh
doaj   +1 more source

Statistical inference for partially linear errors-in-variables panel data models with fixed effects

open access: yesSystems Science & Control Engineering, 2021
In this paper, we consider the statistical inference for the partially linear panel data models with fixed effects. We focus on the case where some covariates are measured with additive errors. We propose a modified profile least squares estimator of the
Bangqiang He, Minxiu Yu, Jinming Zhou
doaj   +1 more source

Performance Analysis of Daily Global Solar Radiation Models in Peru by Regression Analysis

open access: yesAtmosphere, 2021
Solar radiation (Rs) is one of the main parameters controlling the energy balance at the Earth’s surface and plays a major role in evapotranspiration and plant growth, snow melting, and environmental studies. This work aimed at evaluating the performance
Babak Mohammadi, Roozbeh Moazenzadeh
doaj   +1 more source

An Overview of Linear Structural Models in Errors in Variables Regression

open access: yesRevstat Statistical Journal, 2010
This paper aims to overview the numerous approaches that have been developed to estimate the parameters of the linear structural model. The linear structural model is an example of an errors in variables model, or measurement error model that has wide ...
Jonathan Gillard
doaj   +1 more source

Associations between socioprovincial factors and self-reported mental disorders among students from grade 4 to 8 in rural China

open access: yesArchives of Public Health, 2021
Background The focus on child mental health in developing countries was increasing. However, little was known in China. This study aimed to explore the associations between socioprovincial factors and self-reported mental disorders in rural China ...
Ming Guan
doaj   +1 more source

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