/ الانحدار الخطي المتعدد
التعدد الخطي
القيم الشاذة
مقدر LTS
مقدر Liu
انحدار الحرف .
Multiple Linear Regression
Multicollinearity
outliers
ridge regression
LTS-estimator
Liu-estimator.
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The multiple linear regression model is an important regression model that has attracted many researchers in different fields including applied mathematics, business, medicine, and social sciences , Linear regression models involving a large number of independent variables are poorly performing due to large variation and lead to inaccurate conclusions , One of the most important problems in the regression analysis is the multicollinearity Problem, which is considered one of the most important problems that has become known to many researchers , As well as their effects on the multiple linear regression model, In addition to multicollinearity, the problem of outliers in data is one of the difficulties in constructing the reg
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