Abstract

The interaction between standard normal variate and derivatives

Tom Fearn
Department of Statistical Science, University College London, Gower Street, London WC1E 6BT, UK

The subject of this issues Chemometric's Space is that if you combine standard normal variate (SNV) and derivative pre-treatments of spectra, it does matter in which order you apply them. Although this has been discussed before, the author was prompted to revisit the topic whenhe recently encountered an example where it mattered quite a lot.

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