STATIS
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STATIS is a very intuitive and visually powerfull analysis method. Like PCA it decomposes
the variation in a dataset into principal components and monitor the assessors in the principal
component space according to their evaluations of the samples together with the average
scores of the samples (or attributes).
Further reading:
Abdi, H., & Valentin, D. (2007). STATIS. In N.J. Salkind (Ed.): Encyclopedia of Measurement
and Statistics. Thousand Oaks (CA): Sage. pp. 955-962. (Get it here).