Applications of gray relational analysis in gastroenterology.
OBJECTIVE
To introduce the basic methods of gray relational analysis (GRA) and to illustrate its applications in gastroenterology.


METHODS
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.


RESULTS
The superiority of GRA in gastroenterological study was proved by the examples.


CONCLUSIONS
GRA can be applied mechanically or flexibly in gastroenterology.
Tan
Xue-Rui
XR
First Affiliated Hospital of Shantou University Medical College, Shantou 510041, Guangdong Province, China. tanxuerui@vip.sina.com
Li
Yu-Guang
YG
Chen
Ming-Zhe
MZ
D005762:Gastroenterology / Q000379:methods*; D005767:Gastrointestinal Diseases / Q000473:pathology* / Q000628:therapy*; D006801:Humans; D015233:Models, Statistical