The LEXIS Computer Program for Creating Shaded Contour Maps of Demographic Surfaces

Gambill BA, Vaupel JW, & Yashin AI (1986). The LEXIS Computer Program for Creating Shaded Contour Maps of Demographic Surfaces. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-86-037

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Abstract

The LEXIS computer program, which was developed at the International Institute for Applied Systems Analysis (IIASA) and Duke University, is intended to aid demographers in the analysis of large arrays of data. Its application as a supplement t o other methods of graphic display is demonstrated in Thousands of Data at a GLance: Shaded Contour Maps of PopuLation Surfaces (Vaupel. Gambill, and Yashin, forthcoming) and will not be discussed here. This paper provides instructions on the use of the program, gives some hints concerning the art and craft of using the program in a creative way, and briefly describes the algorithm used in designing the program. A diskette containing a copy of the LEXIS program is enclosed. The program is copyrighted but the diskette is not protected against copying: please feel free to make and distribute copies. By making the program available to demographers and others interested in mapping the contours of surfaces, we hope to encourage the development of this method of data analysis. We would, of course, sincerely appreciate it if we and the International Institute for Applied Systems Analysis were acknowledged when the program or some modified version of it is used to produce maps for presentation or publication. Comments and suggestions are welcome!

Item Type: Monograph (IIASA Working Paper)
Research Programs: World Population (POP)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 01:57
Last Modified: 09 Aug 2016 23:20
URI: http://pure.iiasa.ac.at/2822

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