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results. An alternative scaling of the correspondence analysis solution, the contribution biplot, is proposed as a way of …
Persistent link: https://www.econbiz.de/10009323414
. We propose a new scaling of the display, called the contribution biplot, which incorporates this diagnostic directly into … often simplifying the graphical representation considerably. The contribution biplot can be applied to a wide variety of … discriminant analysis/MANOVA, in fact to any method based on the singular-value decomposition. In the contribution biplot one set …
Persistent link: https://www.econbiz.de/10005002836
that is based on a rectangular cases-by-variables data matrix. In contrast to regular multidimensional scaling methods for …
Persistent link: https://www.econbiz.de/10010849612
This paper establishes a general framework for metric scaling of any distance measure between individuals based on a … multidimensional scaling (WMDS) we allow these weights to be unknown parameters which are estimated from the data to maximize the fit …
Persistent link: https://www.econbiz.de/10005772207
rather lack of influence, of outliers in the usual CA maps, (iii) the scaling issue and the biplot interpretation of maps …
Persistent link: https://www.econbiz.de/10005704906
We consider two fundamental properties in the analysis of two-way tables of positive data: the principle of distributional equivalence, one of the cornerstones of correspondence analysis of contingency tables, and the principle of subcompositional coherence, which forms the basis of...
Persistent link: https://www.econbiz.de/10005704909
that is based on a rectangular cases-by-variables data matrix. In contrast to regular multidimensional scaling methods for …
Persistent link: https://www.econbiz.de/10010682977
Canonical correspondence analysis and redundancy analysis are two methods of constrained ordination regularly used in the analysis of ecological data when several response variables (for example, species abundances) are related linearly to several explanatory variables (for example,...
Persistent link: https://www.econbiz.de/10010849617
Canonical correspondence analysis and redundancy analysis are two methods of constrained ordination regularly used in the analysis of ecological data when several response variables (for example, species abundances) are related linearly to several explanatory variables (for example,...
Persistent link: https://www.econbiz.de/10010552588
Correspondence analysis has found extensive use in ecology, archeology, linguistics and the social sciences as a method for visualizing the patterns of association in a table of frequencies or nonnegative ratio-scale data. Inherent to the method is the expression of the data in each row or each...
Persistent link: https://www.econbiz.de/10005029663