Grey correlation method

Author: nuzx

August undefined, 2024

WebFeb 1, 2024 · First, grey relational analysis is applied to identify key influencing factors of carbon emissions. Second, principal component analysis is carried out to simplify input variables without distortion. Third, the long short-term memory model is used for the first time to predict carbon emissions. WebAug 18, 2024 · In this paper, we propose an interval-valued intuitionistic fuzzy Multi-Attribute Decision Making (MADM) method based on improved TOPSIS and Grey Correlation Analysis (GCA), in which the attribute values are interval-valued intuitionistic fuzzy numbers. So that we can deal with imprecise information in fuzzy …

A novel neural network and grey correlation analysis method for ...

WebAug 19, 2024 · At present, the main content includes grey correlation analysis, grey model (GM) and grey prediction model. It is a technical system with system analysis, evaluation, modeling, prediction, decision making, control and optimization as the main body. WebGrey relational analysis belongs to the grey system, which means to quantitatively analyze the development trend of the dynamic process and judge the degree of correlation by comparing and analyzing the correlation of the change of factor curve. chinese porcelain paint exterior

Research on gray correlation analysis and situation prediction …

WebMar 4, 2024 · This method is beneficial in reducing the total carbon emissions of products. With the interval grey correlation analysis, the proposed method takes the correlations among subsystems into consideration and advocates to apportion high reliability to subsystems with a high degree of correlations. WebApr 12, 2024 · In order to improve the synergy level of marine disaster monitoring and early warning in coastal cities, an evaluation index system of 21 factors with 5 dimensions was constructed based on the synergy theory. The weights of all levels of indicators were determined by coefficient of variation method, and 24 representative coastal cities in … WebFeb 10, 2024 · Grey Relational Analysis (GRA) is a multiple-criteria decision-making method created by Deng Julong in 1982 (Ju-Long, … grandscape movies

Grey Correlation Analysis of Economic Growth and …

An optimal selection method for exterior design schemes of …

WebApr 12, 2024 · The grey correlation analysis (GRA) method can quantify the evaluation of design solutions and evaluate the merits of design solutions by comparing the comprehensive scores 17. WebJan 30, 2024 · Grey correlation analysis methods study the grey system with incomplete and clear information. The maximum feature is that … grandscapes north reviews st augustine flWebApr 10, 2024 · We used principal component analysis and the gray relational method to analyze the impact and correlation of various engineering measures on farmland quality. The farmland quality grade in the study area was improved by a 0.59 grade after the construction of the well-facilitated farmland. ... The gray correlation coefficients were all … grandscape virtual reality

"WebJan 11, 2024 · The grey correlation analysis technique is a statistical analysis approach using several factors. It is used to calculate the degree of correlation among components based on the similarity or dissimilarity of development patterns among factors, i.e., the grey correlation degree . The Pearson correlation coefficient measures the degree of linear ... " - Grey correlation method

Grey correlation method

WebMar 24, 2024 · Fuzzy grey correlation is the degree of similarity or dissimilarity of dynamic trends between objects and factors, and it is a method to study and analyze the … WebNov 15, 2024 · Grey relational analysis (GRA) can solve these problems well. The grey system theory was first proposed in 1982 [25]. It includes the grey correlation coefficient method, which is a system analysis method to judge whether there is a high correlation between two subsystems in the process of system development by using mathematical …

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WebSep 1, 2012 · Gray correlation analysis method has a low re-quirement on the linearity and regularity of the original data and there is no case where the quantitative result is inconsistent with the... WebNov 1, 2006 · Fig. 5 gives correct correlation rate of the proposed gray track correlation algorithm versus the number of targets from 10 to 120 at time l = 10, at the same time …

WebThe grey system theory was developed by Deng , which is a very typical system analysis method. The idea of the grey correlation system method is to calculate the … WebDec 2, 2024 · IGCFCCA is a kind of fuzzy comprehensive evaluation method based on fuzzy mathematics, the fuzzy principle and the grey close function. The method can …

WebConstruct a green transportation energy demand prediction model and a greenhouse gas emission calculation model, calculate vehicle greenhouse gas emissions, and use the grey correlation analysis method to connect the models to select the best vehicle energy saving and emission reduction parameters to achieve transportation energy saving and ... WebSep 1, 2012 · Gray correlation analysis method has a low re-quirement on the linearity and regularity of the original data and there is no case where the quantitative result is …

WebFeb 27, 2024 · Grey relational degree analysis is a method used to analyze the correlation degree of various factors in the system [ 3, 4 ]. In short, grey relational analysis is an analytical comparison of geometric shapes …

WebOct 21, 2024 · To solve this problem, we propose using a comprehensive grey correlation degree analysis to analyze the similarity of aerial mode traveling differential current waveforms at the first and last... grandscape wheel discount codeWebNov 15, 2024 · Grey relational analysis (GRA) can solve these problems well. The grey system theory was first proposed in 1982 [25]. It includes the grey correlation … grandscapes professional landscapingWebNov 20, 2024 · Grey system theory was a kind of systematic scientific theory which initiated by Deng ( 2014 ). In the field of geotechnical engineering of disaster prevention and reduction, grey correlation analysis can be used to determine the degree of correlation between the factors of disaster based on the degree of similarity of the changing curve. grandscapes in the colonyWebDec 2, 2024 · IGCFCCA is a kind of fuzzy comprehensive evaluation method based on fuzzy mathematics, the fuzzy principle and the grey close function. The method can solve the common incomplete data problem... grandscapes nursery wakefield riWebDec 9, 2024 · Grey correlation method is a new analysis method in grey system theory. It measures the correlation degree between factors based on the degree of similarity or difference between factors. The calculation steps of this method are displayed as follows [ 23 ]: Step 1: Determining the reference sequence and the comparison sequence. grandscape the colony holidayWebAug 19, 2024 · It is an effective method to apply the grey systems theory to solve the problems with grey nature in reality. The main points of this chapter include: the concept … grandscape the colony putt puttWebNov 15, 2024 · However, for the single output variable problem, the grey correlation coefficient method is a good choice. Li et al. [29] applied artificial neural networks to analyze and optimize the performance of LHPs. However, no grey correlation coefficient method is applied and correlation among the input and output parameters is not well established. grand scarborough parking