Tan Xue-Rui, Li Yu-Guang, Chen Ming-Zhe
First Affiliated Hospital of Shantou University Medical College, Shantou 510041, Guangdong Province, China.
World J Gastroenterol. 2005 Jun 14;11(22):3457-60. doi: 10.3748/wjg.v11.i22.3457.
To introduce the basic methods of gray relational analysis (GRA) and to illustrate its applications in gastroenterology.
With the essential formulae of GRA and several typically practical examples, the procedure of GRA was introduced. Examples were drawn from the gastroenterological studies. Thus the trait of GRA could be demonstrated.
The superiority of GRA in gastroenterological study was proved by the examples.
GRA can be applied mechanically or flexibly in gastroenterology.
介绍灰色关联分析（GRA）的基本方法，并说明其在胃肠病学中的应用。
借助灰色关联分析的基本公式和几个典型的实际例子，介绍了灰色关联分析的过程。例子取自胃肠病学研究。从而可以证明灰色关联分析的特点。
实例证明了灰色关联分析在胃肠病学研究中的优越性。
灰色关联分析在胃肠病学中既可以机械应用，也可以灵活应用。
