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Metric and Nonmetric Plotting Models

Published online by Cambridge University Press:  01 January 2025

Warren F. Kuhfeld*
Affiliation:
The University of North Carolina at Chapel Hill
*
Requests for reprints should be sent to Warren F. Kuhfeld, Psychometric Laboratory, Davie Hall-013A, The University of North Carolina, Chapel Hill, NC 27514.

Abstract

A problem with standard printer scatterplot routines is that points are not adequately labeled. Four methods of generating printer plots are presented. All four methods allow multi-character point labels, and three of the methods can guarantee that no portion of the labels are hidden. This is accomplished by using varying amounts of metric and nonmetric distance information to locate the points.

Type
Computational Psychometrics
Copyright
Copyright © 1986 The Psychometric Society

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Footnotes

The author wishes to thank Warren Sarle and Forrest Young who provided many valuable suggestions during the development of PROC IDPLOT.

The methods and procedure described in this paper were developed by the author at the University of North Carolina as a part of a software development project funded by SAS Institute Inc.

SAS® is a registered trademark of SAS Institute Inc., Cary, NC, USA.

References

Kuhfeld, W. F. (1984). RANKPLOT: A SAS macro for generating line printer scatterplots of points and point labels without overprinting the points and labels. Proceedings of the Ninth Annual SAS users group international conference (pp. 828833). Cary, NC: SAS Institute Inc..Google Scholar
SAS Institute Inc. (1985). Preliminary documentation for the IDPLOT and QPRINT procedures, Cary, NC: Author.Google Scholar
SAS Institute Inc. (1985). SAS® user's guide: Basics version 5 edition,, Cary, NC: Author.Google Scholar
SAS Institute Inc. (1985). SAS® user's guide: Statistics version 5 edition,, Cary, NC: Author.Google Scholar