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ALEX2015
Calcite | Level 5

I want someone to write SAS IML program for me about Fuzzy Clustering.

Regards

Alex

1 REPLY 1
sbxkoenk
SAS Super FREQ

Does it have to be SAS/IML?

 

In SAS/Stat you can code:

Q-technique factor analysis (as opposed to R-technique factor analysis, the most common form of factor analysis)

 

See:

Applied Clustering Techniques Course Notes

http://www.sas.com/store/books/categories/course-notes/applied-clustering-techniques-course-notes/pr...

https://support.sas.com/edu/schedules.html?id=2756&ctry=us

 

Appendix B Fuzzy Clustering .................................................................................. B-1

B.1 Fuzzy Clustering ............................................................................................................. B-3

Demonstration: Q-Methodology ............................................................................ B-11

 

 

Here you will learn to find fuzzy clusters using Q-technique factor analysis, in which observations are

assessed on their relative membership in a set of derived factors. The derived factors are the fuzzy

clusters. Squaring the factor loadings reflects the degree of membership exhibited by each observation in

the associated cluster.

Q-technique analysis is particularly applicable to clinical research (bioinformatics), in which there are

typically many variables and relatively few cases.

 

Koen

 

 

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