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18.108  Articles
1 of 1.812 pages  |  10  records  |  more records»
The aim of this study is to compare the least squares (LS) method that lost its function in the case of multicollinearity in regression methods with Ridge Regression (RR) and Principal Components Regression (PCR) which are bias estimators. For this aim, t... see more

In this paper, we consider parameter estimation problem for Vasicek model driven by fractional lévy processes definedWe construct least squares estimator for drift parameters based on time?continuous observations, the consistency and asymptotic distributi... see more

Two non-parallel lines will be named as bi-lines. The relationship between the definition of the bi-lines function and linear regression functions of the distribution mixture is considered. The bi-lines function parameters are estimated using the least sq... see more

Ordinary Least Squares (OLS) Method is a good method to estimate regression parameters when there is no violation in classical assumptions, such as the existence of outlier. Outliers can lead to biased parameters estimator, therefore we need a method that... see more

Providing extended and generalized distribution is usually precious for many statisticians. A new distribution, called odds generalized exponential-inverse Weibull distribution (OGE-IW) is suggested for modeling lifetime data. Some structural properties o... see more

Multicollinearity is detected via regression models, where independent variables are strongly correlated. Since they entail linear relations between observed or latent variables, the structural equation models (SEM) are subject to the multicollinearity ef... see more

3D similarity transformation is frequently encountered operation in the field of geodetic data processing, and there are many applications that involve large rotation angles. In previous studies, the errors of the coefficient matrix were usually neglected... see more

3D similarity transformation is frequently encountered operation in the field of geodetic data processing, and there are many applications that involve large rotation angles. In previous studies, the errors of the coefficient matrix were usually neglected... see more

The article deals with the problems of using a focused multilevel information system in optimal management. In order to make such a system more efficient, it is proposed to modify the least-squares method, which provides unbiased estimates of the paramete... see more

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