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In the paper we propose a fuzzy version of the Kendall control chart introduced by Hryniewicz and Szediw originally for monitoring production processes. This chart is a relatively simple tool for looking for dependencies between consecutive observations of the process. The proposed fuzzy version of the Kendall control chart is based on the fuzzy Kendall’s τ statistic and possibility and necessity measures used in the possibility theory and fuzzy sets.
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Projects co-financed by:
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.