Method of substitution with group measurements as a metrological basis of comparative methodical approach application
Journal Title: Вісник соціально-економічних досліджень - Year 2018, Vol 2, Issue 66
Abstract
The metrological principles of the economic measurements implementation using the comparative methodical approach are considered in the article. According to the proposed approach using the substitution method, the set of compared objects is treated as a group measurement standard, which with a certain accuracy reproduces the single indicator of value, which is appropriate to the selection objects. Every individual object of comparison representing this set in that case is treated as an unambiguous measurement of the single indicator of value. It is shown that in the case if for the set of compared objects, including evaluation object, homogeneity condition for this parameter is satisfied, it may be replaced by this group measurement in order to determine cost indicators of the evaluation object. The basic proportions to determine the influence of systematic and random errors in this case are formulated and analyzed. The obtained analytical equations describing the errors of the substitution method using the group measurement standard give an opportunity to analyze the share of the systematic component in the overall measurement error of estimating value of the evaluation object. The possibilities of reducing the influence of systematic component of measurement error, introduced by the compared objects, are obtained and mathematically proved. Practical recommendations for increasing accuracy and reliability of evaluation results are formulated.
Authors and Affiliations
Yuri Pozdnyakov, Maria Lapishko
Keywords
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- EP ID EP441795
- DOI 10.33987/vsed.2(66).2018.256-268
- Views 75
- Downloads 0
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