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Carrying out a statistical analysis, the researcher is concerned with the problem of choosing an appropriate statistical technique from a large number of competing methods. Most common statistical software offer different methods for analysing the data without giving any support regarding the adequacy of a method for a particular data set. This paper(More)
This work describes the development of a system for a statistical analysis of case control studies. The analysis of epidemiological studies requires high level statistical knowledge, such that the users of the system, mainly epidemiologists, should be assisted. This is realized by guiding them through all phases of the analysis and by providing them with(More)
This paper presents the knowledge acquisition process for the system CORA, which provides a statistical analysis of stratiied case{control data and additionally supports the researcher at the diierent steps of this analysis. In addition to the general information given by the help system, the advice tool recommends an adequate statistical method. This(More)
Carrying out a statistical analysis of empirical data the researcher is typically concerned with the problem of choosing an appropriate statistical technique from a large number of competing methods. Most of the common statistical software only allows to analyse the data by applying certain methods that are implemented in this software without giving any(More)
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