Graphical Sensitivity Analysis for Multidimensional Scaling

This article introduces graphical sensitivity analysis for multidimensional scaling. This new technique is designed to combat two problems associated with multidimensional scaling analyses: The possibility of local minima and the uncertainty regarding sensitivity of the solution to changes in the pa...

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Bibliographic Details
Published in:Journal of computational and graphical statistics 1994-03, Vol.3 (1), p.23-33
Main Authors: McFarlane, Mary, Young, Forrest W.
Format: Article
Language:English
Subjects:
Algebra
Algorithms
Colors
Coordinate systems
Dynamic graphics
Gold points
Interactive graphics
Local minima
Local minimum
Modeling
Multidimensional scaling
Parametric models
Sensitivity analysis
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Description
Summary:This article introduces graphical sensitivity analysis for multidimensional scaling. This new technique is designed to combat two problems associated with multidimensional scaling analyses: The possibility of local minima and the uncertainty regarding sensitivity of the solution to changes in the parameters. Graphical sensitivity analysis is currently available in ViSta-MDS, a test bed for graphical model examination. By graphically manipulating points in the solution space, analysts may examine the sensitivity of the solution to changes in the model parameters. Furthermore, the analyst may search for alternative solutions that represent local minima. An example of graphical sensitivity analysis using ViSta-MDS is described.
ISSN:1061-8600
1537-2715
DOI:10.1080/10618600.1994.10474628