This paper adopts two mathematical approaches, data envelopment analysis (DEA) and grey relation analysis (GRA) to measure DEA efficiency using the sample of 69 listed US internet companies. A total of 40 indicators were initially selected for the efficiency evaluation, with 21 related to DEA-input indicators and 19 to DEAoutput indicators. Eight representative indicators selected using GRA are...

The performance assessment of professional baseball starting pitchers is considered a multi-attribute decisionmaking (MADM) problem. This study develops an evaluation model based on the analytic hierarchy process (AHP) and grey relational analysis (GRA) to evaluate starting pitcher performance for teams of the Chinese Professional Baseball League. The AHP is used to determine attribute weights,...

Weight gain and diabetes have been reported during treatment with atypical antipsychotic drugs (AAPDs). Patients treated with the glucocorticoid receptor antagonist (GRA) and the progesterone receptor antagonist (PRA) mifepristone [estra-4,9-dien-3-one, 11-[4-(dimethylamino)phenyl]-17-hydroxy-17-(1-propynyl)-(11β,17β)-(9CI)] experienced significant reduction in the weight gain observed when pat...

Abstract Accurate identification of fault source causing voltage sag is great significance to the governance and further research sag. In this paper, a method based on improved grey correlation analysis (GRA) proposed. view deficiency that traditional GRA only considers similarity, proposed geometric area slope sequence into calculation coefficient, so has attributes both similarity data closen...

The study aims to identify and evaluate the key criteria for food supplier selection in Indonesian hospitality industry. A survey was sent experts Indonesia based on their opinions were evaluated using Grey Relational Analysis (GRA). found that price is most important criteria, followed by quality, return-ability of problematic food. also reports variation distinguishing coefficient GRA influen...