Dear all, I am trying to run the dudi functions in R (ade4 package) to run an ecological analysis. In particular it is a traits analysis. I am having problems at understanding how to make the table to be read prperly by the software. Example is given in the link below http://pbil.univ-lyon1.fr/ADE-4/ade4-html/coleo.html I need to make a table like the one called coleo in the example but as I make the list of components, the software gives me an error. Comparing the example with my table I see the presence of the symbol $ (called in R list indexing - element name operator) and I cannot understand how to make the element of the list readble by R aiming to have the table as in the example. Is anyone able t help me!? Thanks very much Evelina -- View this message in context: http://www.nabble.com/Table-in-adefor-tp25104298p25104298.html Sent from the R help mailing list archive at Nabble.com.