Text Clustering with Mixture of von Mises-Fisher Distributions - Text Mining: Classification, Clustering, and Applications - page 132

FIGURE 5.10 : Close-up of one section of pixel plot of the reordered Enron
term-by-document matrix.

Mixed
Cluster1
Cluster2

1 1

0.8 0.8

0.6 0.6

0.4 0.4

0.2 0.2

0 0

−0.2 −0.2

−0.4 −0.4

−0.6 −0.6

−0.8 −0.8

−1 −1

−1 −0.5 0 0.5 1 −1 −0.5 0 0.5 1

(a) (b)

The small-mix dataset. A clustering of small-mix.

FIGURE 6.4 : Small-mix dataset and its clustering by soft-moVMF .