Transforming grouped bivariate data to near normality

Victor M. Guerrero and Richard A. Johnson

Statistics & Probability Letters, 1988, vol. 6, issue 4, 213-224

Abstract: We investigate the use of power transformations when data on two quantitative variables are presented in a two-way table. Given a suitable transformation we can model theunderlying continuous variables. Regressions and the correlation are obtained from the transformed grouped data. Also, by transforming back to the original scale, we obtain a smoothed version of the data.

Keywords: grouped; bivariate; data; transformations; regression; and; correlation (search for similar items in EconPapers)
Date: 1988
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