Results 21 to 30 of about 2,939,863 (258)

Stochastic Restricted Biased Estimators in Misspecified Regression Model with Incomplete Prior Information

open access: yesJournal of Probability and Statistics, 2018
The analysis of misspecification was extended to the recently introduced stochastic restricted biased estimators when multicollinearity exists among the explanatory variables. The Stochastic Restricted Ridge Estimator (SRRE), Stochastic Restricted Almost
Manickavasagar Kayanan   +1 more
doaj   +1 more source

Multicollinearity applied stepwise stochastic imputation: a large dataset imputation through correlation-based regression

open access: yesJournal of Big Data, 2023
This paper presents a stochastic imputation approach for large datasets using a correlation selection methodology when preferred commercial packages struggle to iterate due to numerical problems. A variable range-based guard rail modification is proposed
Benjamin D. Leiby, Darryl K. Ahner
doaj   +1 more source

Modelling daily water temperature from air temperature for the Missouri River [PDF]

open access: yesPeerJ, 2018
The bio-chemical and physical characteristics of a river are directly affected by water temperature, which thereby affects the overall health of aquatic ecosystems. It is a complex problem to accurately estimate water temperature.
Senlin Zhu   +2 more
doaj   +2 more sources

Bagging ensemble selection for regression [PDF]

open access: yes, 2012
Bagging ensemble selection (BES) is a relatively new ensemble learning strategy. The strategy can be seen as an ensemble of the ensemble selection from libraries of models (ES) strategy. Previous experimental results on binary classification problems have
Quan Sun   +3 more
core   +1 more source

Accelerated regression-based summary statistics for discrete stochastic systems via approximate simulators

open access: yesBMC Bioinformatics, 2021
Background Approximate Bayesian Computation (ABC) has become a key tool for calibrating the parameters of discrete stochastic biochemical models. For higher dimensional models and data, its performance is strongly dependent on having a representative set
Richard M. Jiang   +4 more
doaj   +1 more source

Multiple Imputation of Missing Traffic Volume: An Advanced Framework and Multi-Domain Validation

open access: yesApplied Sciences
High-frequency traffic data from remote sensors often suffer from severe gaps and multi-day blackouts. Traditional deterministic imputation fails during these extended failures, artificially destroying natural traffic variance.
Zaid Abdulzahra Mahdi Mandalawi   +1 more
doaj   +1 more source

Superiority of the Stochastic Restricted Liu Estimator under misspecification

open access: yesStatistica, 2007
This paper deals with the use of correct prior infromation in the estimation of regression coefficients when the regression model is misspecified due to the exclusion of some relevant regressor variables.
M. H. Hubert, Pushba Wijekoon
doaj   +1 more source

Performance of Some Stochastic Restricted Ridge Estimator in Linear Regression Model

open access: yesJournal of Applied Mathematics, 2014
This paper considers several estimators for estimating the stochastic restricted ridge regression estimators. A simulation study has been conducted to compare the performance of the estimators.
Jibo Wu, Chaolin Liu
doaj   +1 more source

Adaptive stochastic model predictive control of linear systems using Gaussian process regression

open access: yesIET Control Theory & Applications, 2021
This paper presents a stochastic model predictive control method for linear time‐invariant systems subject to state‐dependent additive uncertainties modelled by Gaussian process (GP).
Fei Li, Huiping Li, Yuyao He
doaj   +1 more source

New Stochastic Restricted Biased Regression Estimators

open access: yesMathematics
In this paper, we propose three stochastic restricted biased estimators for the linear regression model. These new estimators generalize the least squares estimator, mixed estimator, and biased estimator. We derive the necessary and sufficient conditions
Issam Dawoud, Hussein Eledum
doaj   +1 more source

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