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Fooled by the normalization method and some narrow rings
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Joined: 21 Dec 2008, 23:24 Posts: 72 Location: Saltsjobaden (Stockholm), Sweden 
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 Fooled by the normalization method and some narrow ringsWhile analyzing the data in the file CO20050101-LCE-AjC.txt at the French CNRS database I observed a number of quite high Baillie/Pilcher and Hollstein based TTest correlation values which were not considered as correct datings. An analysis revealed that it was caused by a combination of VERY narrow rings and a weakness in these normalization methods. It is all described under the heading "Methodology" and "Fooled by narrow rings..." at
http://www.cybis.se/forfun/dendro Here is a direct link: http://www.cybis.se/forfun/dendro/foolbynarrow/index.htm Regards/Lars-Åke |
| 13 Apr 2009, 15:32 |
  
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