Abstract

Editing and other manipulations of phytosociological data are considered parts of a more comprehensive data management program. The topic is reviewed against the background of an increasing number of presentations in Vegetatio. It is observed that the newer editing programs do not add anything new to the already existing battery of programs. Yet, there is a need for further discussions of some risks in data manipulations, notably a priori deletion of releves and species transformation of field scores, and incorporation of suitable devices in the packages available. Also, the evaluation of classification results and the allocation of new material to existing classification systems need more attention. So do the problems concerning the production of structured phytosociological tables, as outcomes of multivariate data treatments.

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