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QCA (version 0.4-3)
Qualitative Comparative Analysis
Description
Performs the Quine-McCluskey algorithm for Qualitative Comparative Analysis, as described in Ragin, Charles C. 1987 "The Comparative Method. Moving beyond qualitative and quantitative strategies", Berkeley: University of California Press. It currently handles about 15 conditions and one outcome. Given sufficient memory and computing power, more conditions could be handled but realistically an _exact_ solution cannot be provided with acceptable speed for more than 15 conditions. The next versions of this algorithm will be oriented towards multi-value and fuzzy-set functions. Also, in the near future the current functions will deal with missing values in the data in order to perform simplifying assumptions