An index is suggested that measures the change in Wilks' lambda that occurs when a variable is removed from a complete set that is purported to differentiate among groups.
Get full access to this article
View all access options for this article.
References
1.
Baggaley, A. R. , and Cattell, R. B. (1956). A comparison of exact and approximate linear function estimates of oblique factor scores. British Journal of Statistical Psychology, 9, 83-86.
2.
Bock, R. D. (1975). Multivariate statistical methods in behavioral research. New York: McGraw-Hill.
3.
Cohen, J. and Cohen, P. (1983). Applied multiple regression! correlation for the behavioral sciences (2nd ed.). Hillsdale, N J: Erlbaum.
4.
Darlington, R. B. (1968). Multiple regression in psychological research and practice. Psychological Bulletin, 69, 161-182.
5.
Fisher, R. A. (1936). The use of multiple measurements in taxonomic problems. Annals of Eugenics, 7, 179-188.
6.
Hays, W. L. (1981). Statistics (3rd ed.). New York: Holt, Rinehart and Winston.
7.
Huberty, C. J. (in press). Problems with stepwise methods-better alternatives. In B. Thompson (Ed.), Advances in social sciences methodology. Greenwich, CT: JAI Press.
8.
Jannell, E. (1986). Evaluation of personal and career development course at a community college: Effect on self-actualization and career development. Unpublished doctoral dissertation, University of Pennsylvania, Philadelphia.
9.
Jennrich, R. I. (1977). Stepwise discriminant analysis. In K. Enslein, A. Ralston, and H. S. Wilf (Eds.), Statistical methods for digital computers (pp. 76-95). New York: Wiley.
10.
Morrison, D. F. (1976). Multivariate statistical methods (2nd ed.). New York: McGraw-Hill.
11.
Roy, S. N. and Bose, R. C. (1953). Simultaneous confidence interval estimation. Annals of Mathematical Statistics, 24, 513-536.
12.
SAS Institute . (1985). SAS/STAT guide for personal computer (Version 6 edition). Cary, N C: Author.
13.
Urbakh, V. Y. (1971). Linear discriminant analysis: Loss of discriminating power when a variate is omitted. Biometrics, 27, 531-534.