Principal component Analysis (PCA) is one of the popular methods used to solve the multicollinearity problem. Researchers in 2014 proposed an estimator to solve this problem in the linear model when there were stochastic linear restrictions on the regression coefficients. This estimator was called the stochastic restricted principal components (SRPC) regression estimator. The estimator was constructed by combining the ordinary mixed estimator (OME) and the principal components regression (PCR) estimator. It ignores the number of components (orthogonal matrix Tr) that the researchers choose to solve the multicollinearity problem in the data matrix (X). This paper proposed four different methods (Lagrange function, the same technique, the constrained principal component model, and substitute in model) to modify the (SRPC) estimator to be used in case of multicollinearity. Finally, a numerical example, an application, and simulation study have been introduced to illustrate the performance of the proposed estimator.
Published in | International Journal of Data Science and Analysis (Volume 5, Issue 2) |
DOI | 10.11648/j.ijdsa.20190502.12 |
Page(s) | 18-26 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Constrained Principal Components Analysis, General Linear Model, Principal Component Analysis, Simulation and Application, Stochastic Restricted Principal Components
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APA Style
Alaa Ahmed Abd Elmegaly. (2019). Amendments of a Stochastic Restricted Principal Components Regression Estimator in the Linear Model. International Journal of Data Science and Analysis, 5(2), 18-26. https://doi.org/10.11648/j.ijdsa.20190502.12
ACS Style
Alaa Ahmed Abd Elmegaly. Amendments of a Stochastic Restricted Principal Components Regression Estimator in the Linear Model. Int. J. Data Sci. Anal. 2019, 5(2), 18-26. doi: 10.11648/j.ijdsa.20190502.12
AMA Style
Alaa Ahmed Abd Elmegaly. Amendments of a Stochastic Restricted Principal Components Regression Estimator in the Linear Model. Int J Data Sci Anal. 2019;5(2):18-26. doi: 10.11648/j.ijdsa.20190502.12
@article{10.11648/j.ijdsa.20190502.12, author = {Alaa Ahmed Abd Elmegaly}, title = {Amendments of a Stochastic Restricted Principal Components Regression Estimator in the Linear Model}, journal = {International Journal of Data Science and Analysis}, volume = {5}, number = {2}, pages = {18-26}, doi = {10.11648/j.ijdsa.20190502.12}, url = {https://doi.org/10.11648/j.ijdsa.20190502.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijdsa.20190502.12}, abstract = {Principal component Analysis (PCA) is one of the popular methods used to solve the multicollinearity problem. Researchers in 2014 proposed an estimator to solve this problem in the linear model when there were stochastic linear restrictions on the regression coefficients. This estimator was called the stochastic restricted principal components (SRPC) regression estimator. The estimator was constructed by combining the ordinary mixed estimator (OME) and the principal components regression (PCR) estimator. It ignores the number of components (orthogonal matrix Tr) that the researchers choose to solve the multicollinearity problem in the data matrix (X). This paper proposed four different methods (Lagrange function, the same technique, the constrained principal component model, and substitute in model) to modify the (SRPC) estimator to be used in case of multicollinearity. Finally, a numerical example, an application, and simulation study have been introduced to illustrate the performance of the proposed estimator.}, year = {2019} }
TY - JOUR T1 - Amendments of a Stochastic Restricted Principal Components Regression Estimator in the Linear Model AU - Alaa Ahmed Abd Elmegaly Y1 - 2019/06/12 PY - 2019 N1 - https://doi.org/10.11648/j.ijdsa.20190502.12 DO - 10.11648/j.ijdsa.20190502.12 T2 - International Journal of Data Science and Analysis JF - International Journal of Data Science and Analysis JO - International Journal of Data Science and Analysis SP - 18 EP - 26 PB - Science Publishing Group SN - 2575-1891 UR - https://doi.org/10.11648/j.ijdsa.20190502.12 AB - Principal component Analysis (PCA) is one of the popular methods used to solve the multicollinearity problem. Researchers in 2014 proposed an estimator to solve this problem in the linear model when there were stochastic linear restrictions on the regression coefficients. This estimator was called the stochastic restricted principal components (SRPC) regression estimator. The estimator was constructed by combining the ordinary mixed estimator (OME) and the principal components regression (PCR) estimator. It ignores the number of components (orthogonal matrix Tr) that the researchers choose to solve the multicollinearity problem in the data matrix (X). This paper proposed four different methods (Lagrange function, the same technique, the constrained principal component model, and substitute in model) to modify the (SRPC) estimator to be used in case of multicollinearity. Finally, a numerical example, an application, and simulation study have been introduced to illustrate the performance of the proposed estimator. VL - 5 IS - 2 ER -