input box. We can intuitive see from the view that
the categorical numbers of institutions, professional,
training goals and student enrollment are much large,
however the categorical numbers of gender, school
system, education, art or science are little.
The variates in Figure 7 are colored with different
colors, and the categorical data of the variates are in the
same color with the variates they belong to.All the cat-
egorical data are on the arc with the variate they belong
to as the center. The layout method can