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A Note on the Selection of Data Transformations

D. F. Andrews
Biometrika
Vol. 58, No. 2 (Aug., 1971), pp. 249-254
Published by: Oxford University Press on behalf of Biometrika Trust
DOI: 10.2307/2334514
Stable URL: http://www.jstor.org/stable/2334514
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Note on the Selection of Data Transformations
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Abstract

Recently Box & Cox (1964) and Fraser (1967) have proposed likelihood functions as a basis for choosing a transformation of data to yield a simple linear model. Here a simple, exact, test of significance is proposed for the consistency of the data with a postulated transformation within a given family. Confidence sets can be derived from this test. The power of the test may be estimated and used to predict the sharpness of the inferences to be derived from such an analysis. The methods are illustrated with examples from the paper by Box & Cox (1964).

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