CCK (CLUSTERING-CLASSIFICATION-KAPPA); A NEW VALIDATION INDEX TO ASSESSING CLUSTERING RESULTS OF GENE EXPRESSION DATA

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SHAKERI M.T.; SABAGHIAN E.; ESMAEILI H.

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Journal: JOURNAL OF NORTH KHORASAN UNIVERSITY OF MEDICAL SCIENCES Year:2011 | Volume:3 | Issue:BIOSTATISTICS AND EPIDEMIOLOGY SUPPLEMENT Page(s): 67-79

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Title

CCK (CLUSTERING-CLASSIFICATION-KAPPA); A NEW VALIDATION INDEX TO ASSESSING CLUSTERING RESULTS OF GENE EXPRESSION DATA

Author(s)

SHAKERI M.T. | SABAGHIAN E. | ESMAEILI H. | Issue Writer Certificate

Keywords

CLUSTERINGQ2

MICROARRAYQ2

BOOTSTRAPQ2

INDICATOR TO ASSESS THE OF CLUSTERING METHODSQ2

Abstract

Background & Objective: The use of CLUSTERING methods for the discovery of cancer subtypes has drawn a great deal of attention in the scientific community. While bioinformaticians have proposed new CLUSTERING methods that take advantage of characteristics of the gene expression data, the medical community has a preference for using "classic" CLUSTERING methods. There have been no studies thus far performing a large scale evaluation of different CLUSTERING methods in this context.Method & Material: We present CCK index for assessing CLUSTERING result of gene expression data. This index was made by combining two arbitrary classification and CLUSTERING algorithms result and finally.the first large-scale analysis of nine different CLUSTERING methods, Hierarchical CLUSTERING with Single, Average, Complete and Ward linkages, UPGMA, Diana, K-means, PAM and CLARA methods for the analysis of 5 cancer gene expression data sets.Afterward we use Margin Trees method for assessing quality of result of CLUSTERING methods. Ultimately we calculate quality of result of CLUSTERING methods via Kappa coefficient between result of CLUSTERING methods and result of Margin Tree method for each CLUSTERING methods.Results: Our results reveal that the PAM, followed closely by CLARA, exhibited the best performance in terms of recovering the true structure of the data sets. Also we found that Partitioning CLUSTERING methods (PAM, CLARA and K-means) have better performance than Hierarchical CLUSTERING methods (Hierarchical CLUSTERING with Single, Average, Complete and Ward linkages, UPGMA and Diana).Conclusion: The validation technique was used in this paper (Margin Trees) can aid in the selection of an optimal algorithm, for a given data set, from a collection of available CLUSTERING algorithms.

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APA: Copy

SHAKERI, M.T., SABAGHIAN, E., & ESMAEILI, H.. (2011). CCK (CLUSTERING-CLASSIFICATION-KAPPA); A NEW VALIDATION INDEX TO ASSESSING CLUSTERING RESULTS OF GENE EXPRESSION DATA. JOURNAL OF NORTH KHORASAN UNIVERSITY OF MEDICAL SCIENCES, 3(BIOSTATISTICS AND EPIDEMIOLOGY SUPPLEMENT), 67-79. SID. https://sid.ir/paper/187064/en

Vancouver: Copy

SHAKERI M.T., SABAGHIAN E., ESMAEILI H.. CCK (CLUSTERING-CLASSIFICATION-KAPPA); A NEW VALIDATION INDEX TO ASSESSING CLUSTERING RESULTS OF GENE EXPRESSION DATA. JOURNAL OF NORTH KHORASAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2011;3(BIOSTATISTICS AND EPIDEMIOLOGY SUPPLEMENT):67-79. Available from: https://sid.ir/paper/187064/en

IEEE: Copy

M.T. SHAKERI, E. SABAGHIAN, and H. ESMAEILI, “CCK (CLUSTERING-CLASSIFICATION-KAPPA); A NEW VALIDATION INDEX TO ASSESSING CLUSTERING RESULTS OF GENE EXPRESSION DATA,” JOURNAL OF NORTH KHORASAN UNIVERSITY OF MEDICAL SCIENCES, vol. 3, no. BIOSTATISTICS AND EPIDEMIOLOGY SUPPLEMENT, pp. 67–79, 2011, [Online]. Available: https://sid.ir/paper/187064/en

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