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Gergely Tóth Destruction of normal distribution in small samples by centering and scaling Journal of Chemometrics 25

Version of Record online: 4 MAR 2011 | DOI: 10.1002/cem.1382

We show in our comparative study that centering and especially scaling in small samples of normally distributed data require consideration as a first step in data evaluation. Depending on the constants applied in centering and scaling the transformed variables retain the nature of the original distribution, or they follow well-known distributions as the t-distribution, but in some cases bimodal, Dirac-delta, Viking helmet like and uniform distributions appear.

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