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О влиянии ошибок моделирования на оценку состояния системы

О влиянии ошибок моделирования на оценку состояния системы

Abstract

In the paper studied a situation in which economic indicators of complex systems are modeled by linear one-factorial regression. It is established, that in case of use of such models there is a probability of making wrong decisions (risk), which is connected with incorrect information given by the model, the determination of the parameters of the system in the permitted area or outside it. Proposed principles for determining the boundaries of the sets, corresponding to the admissible values of factors of the system. The formulas for determining the probability of making wrong decisions in such systems. The method of risk management, which in many cases appears to be more effective in comparison with the known methods. The results of this paper are illustrated by the example of the impact of the flat area on its market value. The proposed method of risk management in this example gives a significant fall in the probability of making wrong decisions.

Изучены ситуации, в которых экономические индикаторы сложных систем моделируются линейной однофакторной регрессией. Установлено, что в случае использования таких моделей возникает вероятность принятия ошибочного решения (риск), что связано с неправильной информацией, выдаваемой моделью, о нахождении параметров системы в допустимой области или вне ее. Предложены принципы определения границ множеств, соответствующих допустимым значениям факторов системы. Получены формулы для определения вероятности принятия ошибочного решения в таких системах. Описан метод управления риском, который во многих ситуациях оказывается более действенным по сравнению с известными методами. Результаты статьи проиллюстрированы на примере влияния площади квартиры на ее рыночную стоимость. Предложенный метод управления риском в данном примере дает значительное падение вероятности принятия ошибочного решения.

Keywords

ЛОЖНЫЕ ОЦЕНКИ., FALSE ESTIMATES., ОПАСНЫЕ СИТУАЦИИ, КАЧЕСТВО МОДЕЛИ, ДОПУСТИМЫЕ СОСТОЯНИЯ, РИСКИ, ЛИНЕЙНЫЕ РЕГРЕССИИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold