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Please use this identifier to cite or link to this item:
https://nccur.lib.nccu.edu.tw/handle/140.119/71778
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| Title: | A New Standardized Interval-Valued Chart for Fuzzy Data |
| Authors: | Cheng,Yu-Ting;Yang,Chih-Ching
鄭宇庭 |
| Contributors: | 統計系 |
| Date: | 2013-02 |
| Issue Date: | 2014-12-02 15:48:25 (UTC+8) |
| Abstract: | Purpose– Constructing a fuzzy control chart with interval-valued fuzzy data is an important topic in the fields of medical, sociological, economics, service and management. In particular, when the data illustrates uncertainty, inconsistency and is incomplete which is often the. case of real data. Traditionally, we use variable control chart to detect the process shift with real value. However, when the real data is composed of interval-valued fuzzy, it is not feasible to use such an approach of traditional statistical process control (SPC) to monitor the fuzzy control chart. The purpose of this paper is to propose the designed standardized fuzzy control chart for interval-valued fuzzy data set.Design/methodology/approach– The general statistical principles used on the standardized control chart are applied to fuzzy control chart for interval-valued fuzzy data.Findings– When the real data is composed of interval-valued fuzzy, it is not feasible to use such an approach of traditional SPC to monitor the fuzzy control chart. This study proposes the designed standardized fuzzy control chart for interval-valued fuzzy data set of vegetable price from January 2009 to September 2010 in Taiwan obtained from Council of Agriculture, Executive Yuan. Empirical studies are used to illustrate the application for designing standardized fuzzy control chart. More related practical phenomena can be explained by this appropriate definition of fuzzy control chart.Originality/value– This paper uses a simpler approach to construct the standardized interval-valued chart for fuzzy data based on traditional standardized control chart which is easy and straightforward. Moreover, the control limit of the designed standardized fuzzy control chart is an interval with (LCL, UCL), which consists of the conventional range of classical standardized control chart. |
| Relation: | Management Decision, 52 (7),1245 - 1254 |
| Data Type: | article |
| DOI link: | http://dx.doi.org/10.1108/MD-11-2012-0782 |
| DOI: | 10.1108/MD-11-2012-0782 |
| Appears in Collections: | [Department of Statistics] Periodical Articles
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