National Science Library, Chinese Academy of Sciences
  登录 机构网站 ENGLISH
您当前的位置是: 首页-> 详细浏览

期刊名称: Journal of chromatography, A: Including electrophoresis and other separation methods
Volume:1438(null)     2016
ISSN:0021-9673

服务链接:
作者 : Parastar, Hadi ;   Bazrafshan, Alisina ;  
发表期刊 : Journal of chromatography, A: Including electrophoresis and other separation methods
ISSN : 0021-9673
出版时间 : 2016
卷期 : 1438(null)
起始页码 : 236
终止页码 : 243
总页数 : 8
英文摘要 : Fuzzy C-means clustering (FCM) is proposed as a promising method for the clustering of chromatographic fingerprints of complex samples, such as essential oils. As an example, secondary metabolites of 14 citrus leaves samples are extracted and analyzed by gas chromatography-mass spectrometry (GC-MS). The obtained chromatographic fingerprints are divided to desired number of chromatographic regions. Owing to the fact that chromatographic problems, such as elution time shift and peak overlap can significantly affect the clustering results, therefore, each chromatographic region is analyzed using multivariate curve resolution-alternating least squares (MCR-ALS) to address these problems. Then, the resolved elution profiles are used to make a new data matrix based on peak areas of pure components to cluster by FCM. The FCM clustering parameters (i.e., fuzziness coefficient and number of cluster) are optimized by two different methods of partial least squares (PLS) as a conventional method and minimization of FCM objective function as our new idea. The results showed that minimization of FCM objective function is an easier and better way to optimize FCM clustering parameters. Then, the optimized FCM clustering algorithm is used to cluster samples and variables to figure out the similarities and dissimilarities among samples and to find discriminant secondary metabolites in each cluster (chemotype). Finally, the FCM clustering results are compared with those of principal component analysis (PCA), hierarchical cluster analysis (HCA) and Kohonon maps. The results confirmed the outperformance of FCM over the frequently used clustering algorithms. (C) 2016 Elsevier B.V. All rights reserved.
收藏单位 : 中国科学院文献情报中心

相关文献推荐:

QUANTUM GRAVITY Spacetime fuzziness in focus期刊论文

作者:Jacholkowska Agnieszka等   ISSN:1745-2473  publication-date:2015  Volume:11  Page:302-303  

Mathematical Modeling of Randomness and Fuzziness Phenomena in Scientific Studies: I. Mathematical and Empirical Foundations期刊论文

作者:Pyt'ev Yu. P.等   ISSN:0027-1349  publication-date:2017  Volume:72  Page:1-15  

COVARIANCE TRACKING WITH FORGETTING FACTOR AND RANDOM SAMPLING期刊论文

作者:Zhang X G,Li X L,Liang M,Wang Y J等   ISSN:0218-4885  publication-date:2011  Volume:19  Issue:3  Page:547-558  

Credit Derivatives Pricing Model for Fuzzy Financial Market期刊论文

作者:Liang Wu,Yaming Zhuang,Xiaojing Lin等   publication-date:2015-11-3  Volume:2015  

Credit Derivatives Pricing Model for Fuzzy Financial Market期刊论文

作者:Yaming Zhuang,Xiaojing Lin,Liang Wu等 publication-date:2015  

Fuzziness-based online sequential extreme learning machine for classification problems期刊论文

作者:Jinzhu Gao,Zhong Ming,Weipeng Cao,Shubin Cai,Zhiguang Shan等   ISSN:1432-7643  publication-date:2018  Volume:22  Page:3487-3494  

Subtracting the sequence bias from partially digested MNase-seq data reveals a general contribution of TFIIS to nucleosome positioning期刊论文

作者:Gabriel Gutiérrez,Gonzalo Millán-Zambrano,Daniel A. Medina,Antonio Jordán-Pla,José E. Pérez-Ortín,Xenia Pe?ate,Sebastián Chávez等 ISSN:1756-8935;  publication-date:2017-12-7  Volume:10  

Gravity's weight on worldline fuzziness期刊论文

作者:Amelino-Camelia Giovanni,Astuti Valerio,Rosati Giacomo等   Submitted Date:2012-7-10  

GRAVITY'S WEIGHT ON WORLDLINE FUZZINESS期刊论文

作者:GIOVANNI AMELINO-CAMELIA,VALERIO ASTUTI,GIACOMO ROSATI等   ISSN:0218-2718  publication-date:2012  Volume:21  Page:1242012-1-1242012-9  

Stress strength reliability in the presence of fuzziness期刊论文

作者:Eryilmaz Serkan,Tutuncu G. Yazgi等   ISSN:0377-0427  publication-date:2015  Volume:282  Page:262-267  

问图书管理员更多图书管理员

学科咨询馆员
学科馆员

电话:
邮件:
问图书馆员

图标说明

在线获取原文 原文传递 详细信息 图书在架状态 图书馆际互借 问图书馆员

常见问题

图书馆开放时间 图书馆位置 借阅要求 您在使用中发现的任何错误,都可以向我们 【报告错误】,非常感谢!

作者信息:×