Recently, version 5 of PC‐ORD, one of the major commercial software packages for multivariate ecological community data analyses, was released. The new version offers a whole range of techniques and methods for analyses of ecological data. It includes modules for different types of ordination and classification, as well as other exploratory techniques such as species‐area curve analysis and indicator species analysis. Data are stored in spreadsheets and can be easily manipulated in various ways. In essence, version 5 of PC‐ORD offers the user a full toolbox for exploration and analysis of ecological data, packed in a user‐friendly environment.
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Ulf Grandin (2006) studied this question.
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