Average common target number of the clustering result. The hierarchy clustering tree was cut into a range of classes. The common target obtained by fused similarity, structural similarity, bioactivity profile similarity and bioactivity profile Euclidean distance were represented by red, green, blue and purple lines respectively. The value of the default class number 6 was marked with a yellow line.
Xu et al. BMC Bioinformatics 2012 13:75 doi:10.1186/1471-2105-13-75