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:: Volume 18, Issue 2 (3-2014) ::
Andishe 2014, 18(2): 73-82 Back to browse issues page
A Moving Avarage Variation Control Chart based on Bayesian Predictive Density
Atefe Mokhtari hasanabadi, Manouchehr Kheradmandnia *
University of Isfahan
Abstract:   (32929 Views)

 

Recently several control charts have been introduced in the  statistical process control  literature which are based on the idea of Bayesian Predictive Density (BPD).  Among these charts is the variation control chart which we refer to it as VBPD chart.

In this paper we add the idea of Moving Average to VBPD chart and introduce a new variation control chart which has all advantages of the original VBPD chart and in addition has a new advantage which is its sensitivity to small changes in process variance. We refer to this new chart as MAVBPD chart.

In both VBPD and MAVBP charts , the parameters are assumed unknown but the control statistic has a known F distribution which means that, the control limits can be obtained  without simulation.

 

Keywords: moving average, Bayesian predictive density, process variation
Full-Text [ZIP 338 kb]   (604 Downloads)    
Type of Study: Research | Subject: Special
Received: 2013/07/21 | Accepted: 2014/10/1 | Published: 2015/06/17
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mokhtari hasanabadi A, kheradmandnia M. A Moving Avarage Variation Control Chart based on Bayesian Predictive Density. Andishe. 2014; 18 (2) :73-82
URL: http://andisheyeamari.irstat.ir/article-1-241-en.html


Volume 18, Issue 2 (3-2014) Back to browse issues page
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