Figure 1: Visualizing a subset of the sporation data in the space of the first 2 PCs

Figure 2: Visualizing a subset of the sporation data in the space of the first 3 PCs

• Figure 5(a): CAST and correlation

• Figure 5(b): CAST and correlation (with the results of random projections and random PC's)

• Figure 5(c): k-means and correlation

• Figure 5(d): k-means and Euclidean distance

• Figure 6(a): CAST and correlation

• Figure 6(b): k-means and Euclidean distance

Synthetic data: mixture of normal

• Figure 7(a): CAST and correlation

• Figure 7(b): k-means and correlation

• Figure 7(c): k-means and Euclidean distance

• Figure 8(a): CAST and correlation

• Figure 8(b): k-means and Euclidean distance

• Figure 9(a): CAST and correlation

• Figure 9(b): k-means and Euclidean distance

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