tp-analyse-donnees/artificial/spherical_4_3.arff

% Data_4_3 or AD_4_3: This data is in 3-d space, and has 4 clusters.
% The total number of  points is 400.
%
%  If you use this data, please quote the following references:
%
% S. Bandyopadhyay and U. Maulik, ``Nonparametric genetic clustering: Comparison validity indices'',  IEEE Transactions on Systems, Man and Cybernetics, Part C, vol. 31, no. 1, pp. 120-125, 2001
%
% S. Bandyopadhyay and U. Maulik, ``Genetic Clustering for Automatic Evolution
% of Clusters and Application to Image Classification'',  Pattern Recognition, vol.35,
% pp. 1197-1208, 2002
%
% S. Bandyopadhyay and S. K. Pal, ``Classification and Learning Using Genetic
% Algorithms: Applications in Bioinformatics and Web Intelligence", Springer,
% Heidelberg, 2007
%
% source: http://www.isical.ac.in/~sanghami/data.html
%
@ATTRIBUTE x REAL
@ATTRIBUTE y REAL
@ATTRIBUTE z REAL
@ATTRIBUTE class {1,2,3,4}

@DATA
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6.12,3.46,3.18,2
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13.65,14.71,14.74,4
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14.47,15.48,17.70,4
16.55,13.70,15.06,4
14.42,13.18,13.38,4
15.19,16.30,16.33,4
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13.02,14.96,16.85,4
14.32,13.49,14.46,4
13.33,15.05,16.67,4
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13.78,13.20,16.60,4
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16.12,16.74,16.55,4
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13.70,15.21,14.37,4
16.20,15.87,17.59,4
15.41,13.19,16.65,4
16.47,17.32,15.91,4
16.56,16.75,15.16,4