Abstract.
This paper summarizes some results on random fuzzy variables with existing expectation and variance, called random fuzzy variables of second order. Using the Frechét-principle and – via support functions – the embedding of convex fuzzy sets into a Banach space of functions it especially presents a unified view on expectation and variance of random fuzzy variables. These notions are applied in developing linear statistical inference with fuzzy data. Detailed investigations are presented concerning best linear unbiased estimation in linear regression models with fuzzy observations.
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Received: November 1999
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Näther, W. On random fuzzy variables of second order and their application to linear statistical inference with fuzzy data. Metrika 51, 201–221 (2000). https://doi.org/10.1007/s001840000047
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DOI: https://doi.org/10.1007/s001840000047