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Fatma Buğlem Yalçın

Fatma Buğlem Yalçın

PhD

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6
Publications
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12
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Publications

Publications (6)
Article
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The main purpose of the regression analysis, which is one of the statistical analyzes, is to minimize the difference between the estimated values and the actual observation values. Therefore, various estimation methods have been developed. Ordinary least squares (OLS) or maximum likelihood (ML) approaches are often used when creating the regression...
Article
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Nowadays, the usage of nonlinear regression models is common. However, non-linear models are more difficult to teach than linear models. The ordinary least squares method is effective in teaching nonlinear regression models. This study aims to teach the subjects of non-linear regression in statistics for students. The transformed form of non-linear...
Article
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In this study, we studied on the harmonically convexity of functions. Firstly, we obtained some new generalized Hadamard’s type and Ostrowski’s type inequalities for these functions on the real number line. Besides, we generalized the above mentioned inequalities using two-dimensional operator for harmonically convex functions.
Article
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In this study, we investigated on multidimensional preinvex functions. Particularly, we verified Hermite-Hadamard type integral inequalities for these functions. In the meanwhile, we obtained some important results of related inequalities for these functions.
Article
Full-text available
In this study, we worked at general convexity of functions which is named ϕ-convexity. Initially, we derived a generalized Ostrowski’s type inequality for every positive ϕ-convex function and obtained a generalized Hadamard’s type inequality for every ϕ-convex functions. Most especially, we identified two-dimensional ϕ-convex functions and verified...