Accession Number : ADA114170

Title :   Some Comparisons of Biplot Display and Pencil-and-Paper E.D.A. Methods. Revision.

Descriptive Note : Technical rept.,

Corporate Author : ROCHESTER UNIV NY

Personal Author(s) : Cox,Christopher ; Gabriel,K Ruben

PDF Url : ADA114170

Report Date : Sep 1981

Pagination or Media Count : 41

Abstract : Multivariate data may be explored by a variety of methods. This paper considers some examples of alternative analyses by biplot display and by Tukey's pencil-and-paper EDA methods. It suggests that in using the biplot, a few displays usually suffice to reveal patterns in a pretty striking manner. When using EDA, on the other hand, one may require several stages of median polish, inspection of residuals, modelling, and re-expression. The biplot is more immediate: It allows one to see things at a glance. (Author)

Descriptors :   *Graphs, *Multivariate analysis, Plotters, Manual operation, Data displays, Data reduction, Biostatistics

Subject Categories : Statistics and Probability

Distribution Statement : APPROVED FOR PUBLIC RELEASE