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|Title:||Robust clustering of trade data with thinning processes|
|Authors:||PERROTTA Domenico; CERIOLI Andrea; TORTI Francesca|
|Citation:||CLADAG 2011 - Book of Abstracts- 8th Scientifing Meeting of the CLAssification and Data Analysis Group of the Italian Statistical Society|
|Publisher:||Pavia University Press - Editoria Scientifica|
|Type:||Articles in periodicals and books|
|Abstract:||We address clustering issues in presence of densely populated data points, exhibiting linear structures with high degree of overlapping. To avoid the disturbing effects of high dense areas, we retain (and then cluster) a sample of data with a process preserving the general structure of the data. The problem is approached as a spatial point process. An intensity function and a thinning process to select the sub-sample for the clustering are derived for the analysis of the EU trade data.|
|JRC Directorate:||Space, Security and Migration|
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