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Unformatted text preview: ate analysis. First, is the nature of variables, which may be
either metric (quantitative or numerical) or nonmetric (qualitative
or categorical). Second, is the notion of dependency or interdependency. In the dependency context, one or several variables
designated as dependent variables are influenced in magnitude by
another set of variables designated as independent variables. In
the interdependency context, variables are not designated as
either dependent or independent. On the basis of these features
and notions, several multivariate statistical tools have been developed (Tables 2 and 3), and further details are provided by Hair et
al. (7) and James and McCulloch (9).
Multivariate tools have been employed to varying degrees in
the phytopathological literature. A bibliometric search of the
Biological Abstract database (Silver Platter Information, Norwood, MA), from 1997 to 2003, indicates that ordination and
discrimination tools have, by far, been used frequently compared
with canonical analyses. Among...
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- Summer '11
- The American