Graphics Reference
In-Depth Information
Figure
.
.
Weighted graph representation of a contingency table
Table
.
.
A small correlation matrix for four variables
Var
Var
Var
Var
Var
.
Var
.
.
Var
.
.
.
Var
.
.
.
.
Figure
.
.
Representation of a small correlation matrix by a weighted graph
Another interesting data structure that can be represented successfully by a graph
is that corresponding to a multivariate categorical data set, as the following example
attests (Table
.
). he data on
sleeping bags and their characteristics come from
Prediger (
)and have also been discussed in Michailidis and de Leeuw (
).
Graph Layout Techniques
4.3
he problem of graph drawing/layout has received a lot of attention from various
scientific communities. Itisdefinedasfollows:given asetofnodesconnectedbyaset
