Communication Research: MDS, Mutli-Dimensional Scaling

MDS ¶

Stress ¶

$\text{stress} = \sqrt{\frac{\Sigma\Sigma(f(x_{ij})-d_{ij})^2}{\text{scale}}}$
$\text{stress 1} = \sqrt{\frac{\Sigma\Sigma(f(x_{ij})-d_{ij})^2}{\Sigma (d_{ij})^2}}$

Reading ¶

Multidimensional Scaling, Katrijn Van Deun, Luc Delbeke(http://www.mathpsyc.uni-bonn.de/doc/delbeke/delbeke.htm)
Multidimensional Scaling, StatSoft, Inc.(http://www.statsoft.com/textbook/stmulsca.html)
Borgatti's explanation about MDS(http://www.analytictech.com/borgatti/mds.htm)