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《Mathematics in Practice and Theory》 2013-01
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The Comprehensive Evaluation on the Quality of Walnuts

LIANG Xiao-jia,ZHOU Ju-ling (Department of Mathematical sciences,Xinjiang normal university,Urumqi 830054,China)  
Using the method of principal component analysis,this paper analyze 12 quality indicators of 11 kinds of walnuts such as protein,insoluble dietary fiber,fat,moisture,ash, trace metal elements,single ning and so on,and rank these walnuts.The results show that the accumulative contribution rate reached 86.057% from the 2 principal components we finally obtained by SPSS.It implies that this method can simplify the evaluation factors of fruit quality,and provide a theoretical basis to formulate the evaluation of walnuts quality system.
【CateGory Index】: S664.1
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