User Guide

549
Multidimensio
nal Scaling
ALSCAL Comma
nd Additional Features
The SPSS com
mand language also allows you to:
 Use three ad
ditional model types, known as ASCAL, AINDS, and GEMSCAL in
the literature on multidimensional scaling.
 Carry out polynomial transformations on interval and ratio data.
 Analyze similarities (rather than distances) with ordinal data.
 Analyze nominal data.
 Save various coordinate and weight matrices into files and read them back
in for analysis.
 Constrain multidimensional unfolding.
See the SPSS Command Syntax Reference for complete syntax information.