Fig. 5.

Comparison of the CDSKNN and existing methods under different numbers of principal components. a-c Evaluation with $\mathit{ARI}$ (a), $\mathit{deviation}$ (b) and elapsed time (minutes) (c). The horizontal lines in the box represent median values, with whiskers extending to the farthest data point within a maximum of 1.5 × interquartile range. For the sake of clarity, we truncated and compressed the y-axis