| 食物营养学价值类型特征聚类分析 |
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| 引用本文： | 史宝林. 食物营养学价值类型特征聚类分析[J]. 河北北方学院学报(医学版), 2006, 23(1): 10-13 |
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| 作者姓名： | 史宝林 |
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| 作者单位： | 河北北方学院预防医学教研室,河北,张家口,075000 |
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| 摘 要： | 目的：探讨系统聚类分析方法在食物营养学价值评价中的意义。方法：选取北方常见的20种食物，根据其8种主要营养素含量进行分层聚类分析。结果：依据欧氏距离平方和的大小确定食物间的相似性，通过分析距离测度值的变化将20种食物大体分为4类。结论：聚类分析可用来综合评价食物营养学特征，并将其合理归类。
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| 关 键 词： | 食物 营养素 聚类分析 |
| 文章编号： | 1673-1484(2006)01-0010-04 |
Cluster Analysis on the Classification of Nutritive Value in 20 Foods |
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| SHI Bao-lin. Cluster Analysis on the Classification of Nutritive Value in 20 Foods[J]. Journal of Hebei North University:Medical Edition, 2006, 23(1): 10-13 |
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| Authors: | SHI Bao-lin |
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| Abstract: | Objective: To investigate the significance of systematic cluster analysis in classification of nutritive value in foods.Methods: After selecting 20 normal foods in northern China,8 nutrients were examined with hierarchical cluster analysis.Results: The 20 foods could be divided into 4 categories by squared Eudlidean distance.Conclusion: The cluster analysis can reveal the characteristics of nutritive value,and classify it into different categories reasonably. |
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| Keywords: | Foods Nutrients Cluster analysis |
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