There are 96 onion populations in the genepool. We evaluated 35 different morphological characters. I've tried pearson correlation method with group average cluster. But on the similarity matrix, all results were 0,92-0,99 (for similarity). I think we should change method? Which method useful for this kind of study?
Notes on "Classification and Ordination Tools for Biodiversity Analysis" (downloadable from RG) may possibly help you.
https://www.researchgate.net/publication/268747239_Classification_and_Ordination_Tools_for_Biodiversity_Analysis
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Try cluster analysis as per non hierar'-
chical Eucledian method
(Spark 1973).
Should you check Iris spp dat treatment in ADE 4 a r-project family app free for linear discriminant analysis, in Dr Dufour lecture at http://pbil.univ-lyon1.fr/R/pdf/course5.pdf or any other study made after the classical Anderson file treated by Fisher in 1936.
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