Results 1 to 10 of about 195,282 (165)

A method for detecting outliers in linear-circular non-parametric regression. [PDF]

open access: yesPLoS ONE, 2023
This study proposes a robust outlier detection method based on the circular median for non-parametric linear-circular regression in case the response variable includes outlier(s) and the residuals are Wrapped-Cauchy distributed. Nadaraya-Watson and local
Sümeyra Sert, Filiz Kardiyen
doaj   +2 more sources

Non-Parametric Regression and Riesz Estimators

open access: yesAxioms, 2023
In this paper, we consider a non-parametric regression model relying on Riesz estimators. This linear regression model is similar to the usual linear regression model since they both rely on projection operators.
Christos Kountzakis   +1 more
doaj   +2 more sources

Non‐parametric regression for networks [PDF]

open access: yesStat, 2021
Network data are becoming increasingly available, and so there is a need to develop a suitable methodology for statistical analysis. Networks can be represented as graph Laplacian matrices, which are a type of manifold‐valued data. Our main objective is to estimate a regression curve from a sample of graph Laplacian matrices conditional on a set of ...
Katie E. Severn   +2 more
openaire   +2 more sources

Test for Linearity in Non-Parametric Regression Models

open access: yesAustrian Journal of Statistics, 2022
The problem of checking the linearity of a regression relationship is addressed. The test uses nonparametric estimation techniques. The null hypothesis is that the regression function is linear; it is tested against the non-specic alternatives hypotheses.
Khedidja Djaballah-Djeddour   +1 more
doaj   +3 more sources

Investigation of Parametric, Non-Parametric and Semiparametric Methods in Regression Analysis

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022
Regression analysis is known as statistical methods applied to model and analyze the relationship between variables. Regression method can be examined as parametric, non-parametric and semiparametric regression methods.The parametric regression method ...
Esra Yavuz, Mustafa Şahin
doaj   +1 more source

Assessment of non-linearity in calorie–income relationship in Pakistan

open access: yesFrontiers in Nutrition, 2022
This article considers the issue of assessing non-linearity in the relationship between calorie consumption and income using non-parametric and semi-parametric approaches.
Nadia Shabnam
doaj   +1 more source

Efficient estimation of smoothing spline with exact shape constraints

open access: yesStatistical Theory and Related Fields, 2021
Smoothing spline is a popular method in non-parametric function estimation. For the analysis of data from real applications, specific shapes on the estimated function are often required to ensure the estimated function undeviating from the domain ...
Vincent Chan   +4 more
doaj   +1 more source

Influential Points in Adaptability and Stability Methods Based on Regression Models in Cotton Genotypes

open access: yesAgronomy, 2021
The aim of this work was to answer the following question: can influential points modify the recommendation of genotypes, based on regression methods, in the presence of genotype × environment (G × E)?
Moysés Nascimento   +9 more
doaj   +1 more source

Comparison of Parametric and Nonparametric Forecasting Methods for Daily COVID-19 Cases in Malaysia

open access: yesJOIV: International Journal on Informatics Visualization, 2023
Numerous research studies are currently examining various measures to control the transmission of COVID-19. One essential task in this regard is predicting or forecasting the number of infected individuals.
I Made Artha Agastya, Afrig Aminuddin
doaj   +1 more source

On Modelling Sea State Bias of Jason-2 Altimeter Data Based on Significant Wave Heights and Wind Speeds

open access: yesRemote Sensing, 2023
Altimeter data processing is very important to improve the quality of sea surface height (SSH) measurements. Sea state bias (SSB) correction is a relatively uncertain error correction due to the lack of a clear theoretical model. At present, the commonly
Jinyun Guo   +4 more
doaj   +1 more source

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