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The Importance of Being Normal
Vol. 9, No. 3 (1977), pp. 195-198
Stable URL: http://www.jstor.org/stable/20001233
Page Count: 4
You can always find the topics here!Topics: Skewed distribution, Principal components analysis, Correlation coefficients, Kurtosis, Unemployment, Working papers
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Census data are analysed both before and after transformations to minimize skewness and increase normality have been made. Such 'normalization' appears not to affect either the correlation matrix or principal components and a discussion of normality and linearity suggests reasons for this.