Datasets are taken from the UCI Machine Learning Repository (http://archive.ics.uci.edu/ml). The format of the data files is as follows:

• File name: datasetName_#objects_#attributes_#clusters.txt.
• First line: number of objects.
• Then for the other lines: each line represents the coordinates of one object.

For some datasets the ground truth clusters (represented by labels) are known. This information can be used to compare the obtained clustering to the ground truth clustering. The labels of a dataset are in a file named datasetName_#objects_#attributes_#clusters_classes.txt. Each i-th line in these files gives the label of the cluster containing the i-th object.

File	Type	Notes
breastCancer_569_30_2.txt	txt
breastCancer_569_30_2_classes.txt	txt
glass_214_9_7.txt	txt
glass_214_9_7_classes.txt	txt
imageSegmentation_2000_19_7.txt	txt
ionosphere_351_34_2.txt	txt
ionosphere_351_34_2_classes.txt	txt
iris_150_4_3.txt	txt
iris_150_4_3_classes.txt	txt
multipleFeatures_2000_10_6.txt	txt
syntheticControl_600_60_6.txt	txt
syntheticControl_600_60_6_classes.txt	txt
userKnowledge_403_5_4.txt	txt
vehicle_846_18_4.txt	txt
vehicle_846_18_4_classes.txt	txt
waveform-5000_40_3.txt	txt
wine_178_13_3.txt	txt
wine_178_13_3_classes.txt	txt
yeast_1484_8_10.txt	txt
yeast_1484_8_10_classes.txt	txt