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Publication Date
Thu Jan 03 2019
Journal Name
Journal Of Planner And Development
Volume
19
Issue Number
1
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أثر المعايير التصميمة في التشكيل الحضري للواجهات النهرية في المدن. "منطقة الرصافة القديمة حالة دراسية
التشكيل الحضري
الانهار
الواجهات النهرية
المكونات التصميمية
Urban Formation
Rivers
Riverfronts
Design Components.
وحد شكر محمود
عمر عبد الوهاب خلف
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Atorvastatin calcium (ATR) is an antihyperlipidemic agent used for lowering blood cholesterol levels. However, it is very slightly soluble in water with poor oral bioavailability, which interferes with its therapeutic action. It is classified as a class II drug according to Biopharmaceutical Classification System (low solubility and high permeability).

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Scopus Crossref
Publication Date
Fri Feb 01 2019
Journal Name
Journal Of Economics And Administrative Sciences
Comparison of Some Methods for Estimating the Scheff'e Model of the Mixture
/ ٳنموذج الخليط
المكونات الزائفة
عامل تضخم التباين
ٳنحدار الحرف
LASSO
الشبكة المرنة
متوسط مطلق الخطـأ النسبي.
Mixture Models
L-Pseudo component
Variance Inflation Factor
Ridge Regression
LASSO
Elastic Net
Mean Absolut Percentage Error
دجلة ابراهيم
حلا سلمان
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Because of the experience of the mixture problem of high correlation and the existence of linear MultiCollinearity between the explanatory variables, because of the constraint of the unit and the interactions between them in the model, which increases the existence of links between the explanatory variables and this is illustrated by the variance inflation vector (VIF), L-Pseudo component to reduce the bond between the components of the mixture.

    To estimate the parameters of the mixture model, we used in our research the use of methods that increase bias and reduce variance, such as the Ridge Regression Method and the Least Absolute Shrinkage and Selection Operator (LASSO) method a

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Crossref
Publication Date
Sun Dec 01 2019
Journal Name
Journal Of Economics And Administrative Sciences
Use Generalized Pareto Survival Models to Estimation Optimal Survival Time for Myocardial Infarction Patients
نماذج البقاء
أنموذج باريتو العام للمخاطرة النسبية
معيار امثل- CB
معيار امثل- AB
التصميم الامثل
مصفوفة المعلومات
طريقة الامكان الاعظم الكاملة.
Survival Models
The Generalized Pareto Proportional Hazards Model
CB- Optimal Criterion
AB- Optimal Criterion
Optimal Design
Information Matrix
Complete Maximum Likelihood Method.
افتخار عبد الحميد
مروة علي
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The survival analysis is one of the modern methods of analysis that is based on the fact that the dependent variable represents time until the event concerned in the study. There are many survival models that deal with the impact of explanatory factors on the likelihood of survival, including the models proposed by the world, David Cox, one of the most important and common models of survival, where it consists of two functions, one of which is a parametric function that does not depend on the survival time and the other a nonparametric function that depends on times of survival, which the Cox model is defined as a semi parametric model, The set of parametric models that depend on the time-to-event distribution parameters such as

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