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Application of some statistical methods for comparing samples of Hue‐Angle data

Application of some statistical methods for comparing samples of Hue‐Angle data Several color spaces utilize angular measures of hue:for example, CIE 1976 u, v hue‐angle; CIE 1976 a, b hueangle. Such measures are not amenable to conventional statistical analysis, unless a categorization of hue‐angles has previously been decided upon, in which case nonparametric tests are appropriate. In this article we present two recently established methods that are appropriate for the parametric statistical analysis of hue‐angle data from two or more samples: (i) a test of the equality of angular variances; (ii) a test of the equality of mean angles. These tests may be performed easily on a microcomputer and produce statistics conforming approximately to well known distributions. We envisage that the tests will be of interest to psychologists and others working in the field of color research. © 1992 John Wiley & Sons, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

Application of some statistical methods for comparing samples of Hue‐Angle data

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References (5)

Publisher
Wiley
Copyright
Copyright © 1992 Wiley Periodicals, Inc., A Wiley Company
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/col.5080170602
Publisher site
See Article on Publisher Site

Abstract

Several color spaces utilize angular measures of hue:for example, CIE 1976 u, v hue‐angle; CIE 1976 a, b hueangle. Such measures are not amenable to conventional statistical analysis, unless a categorization of hue‐angles has previously been decided upon, in which case nonparametric tests are appropriate. In this article we present two recently established methods that are appropriate for the parametric statistical analysis of hue‐angle data from two or more samples: (i) a test of the equality of angular variances; (ii) a test of the equality of mean angles. These tests may be performed easily on a microcomputer and produce statistics conforming approximately to well known distributions. We envisage that the tests will be of interest to psychologists and others working in the field of color research. © 1992 John Wiley & Sons, Inc.

Journal

Color Research & Application – Wiley

Published: Dec 1, 1992

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