Number of Clusters

Case

VU

MU

RU

HU

BU

WU

1

X

X

X

X

X

X

X

X

X

X

X

2

X

X

X

X

X

X

X

X

X

X

3

X

X

X

X

X

X

X

X

X

4

X

X

X

X

X

X

X

X

5

X

X

X

X

X

X

X