[R] registration density profiles : FDA

Bellanger Lise
Fri, 15 Jun 2007 16:16:15 -0000

Hello,


       I would like to use  fda library to compare sampled curves that
are density profiles. But I encounter some problems to register my data :
I know that I must use a registration function to align functions in
order to have important features found in each curve occur at roughly
the same argument value, prior to do subsequent analysis ( PCA and
cluster analysis).   But I do not know which function (if there exists
one) allows me  to synchronize density profiles : could help me please ?

   Thank you by advance

   Best regards

         Lise Bellanger

--
Lise Bellanger,
Universit? de Nantes
D?partement de Math?matiques, Laboratoire Jean Leray UMR CNRS 6629
2, Rue de la Houssini?re BP 92208 - F-44322 Nantes Cedex 03
T?l. : (33|0) 2 51 12 59 00 (ou 43) - Fax : (33|0) 2 51 12 59 12
E-Mail : lise.bellanger at univ-nantes.fr
URL : http://www.math.sciences.univ-nantes.fr/