Smithson, Michael - In: Sociological Methods & Research 33 (2005) 4, pp. 431-461
The concept of set inclusion has remained insufficiently developed in the fuzzy set literature to be of much use to … social scientists. However, a fully fledged concept of fuzzy set inclusion, along with appropriate statistical methods for … of a cumulative distribution-based approach to evaluating fuzzy set inclusion without making strong assumptions about …