Výsledky vyhledávání - "Tyzhnenko Alexander G."

Akademický článek

Displaying the R-Assessment of the Enterprise’s Level of Financial Condition on the Verbal-Numerical Scale

Autor: Tyzhnenko Alexander G.

Publikováno v: Bìznes Inform, Vol 6, Iss 521, Pp 100-107 (2021)

The publication considers the features of construction of the so-called «Harrington’s scale», which is widely used for economic research in Ukraine. It is demonstrated that the scale proposed by Harrington cannot be applied for arbitrary economic

Externí odkaz: https://doaj.org/article/f506dded1ac0406684c8d8cea2a76ce5

Zobrazit plný text záznamu

Akademický článek

Practical Treatment of the Multicollinearity: The Optimal Ridge Method and the Modified OLS

Autor: Tyzhnenko Alexander G., Ryeznik Yevgen V.

Publikováno v: Problemi Ekonomiki, Vol 1, Iss 47, Pp 155-168 (2021)

The paper discusses the applicability of the two main methods for solving the linear regression (LR) problem in the presence of multicollinearity – the OLS and the ridge methods. We compare the solutions obtained by these methods with the solution

Externí odkaz: https://doaj.org/article/7724b35acf73470996eb4fe7a3abd2e7

Zobrazit plný text záznamu

Akademický článek

Ordinary Least Squares: the Adequacy of Linear Regression Solutions under Multicollinearity and without it

Autor: Tyzhnenko Alexander G., Ryeznik Yevgen V.

Publikováno v: Problemi Ekonomiki, Vol 1, Iss 39, Pp 217-227 (2019)

The article deals with the problem of economic adequacy of solving a linear regression problem by the OLS method. The study uses the following definition of adequacy: a linear regression solution is considered adequate if it not only has correct sign

Externí odkaz: https://doaj.org/article/fb079893b48e4fae90130112092fb2e2

Zobrazit plný text záznamu