New control charts for monitoring covariance matrix with individual observations

Quality and Reliability Engineering International

Volumn 25, Issue 7, 2009, Pages 821-838

  Memar, Ahmad Ostadsharif ^a   Niaki, Seyed Taghi Akhavan ^a  

^a SHARIF UNIVERSITY OF TECHNOLOGY   (Iran)

Author keywords

Covariance matrix; L 1 norm based distance; L2 norm based distance; Multivariate exponentially weighted mean square deviation; Multivariate exponentially weighted moving variance

Indexed keywords

CHANGE DETECTION; CONTROL CHARTS; DIAGONAL ELEMENTS; EXPECTED VALUES; IN-CONTROL; L 1-NORM-BASED DISTANCE; L2-NORM-BASED DISTANCE; MATRIX; MULTIVARIATE EXPONENTIALLY WEIGHTED MEAN SQUARE DEVIATION; MULTIVARIATE EXPONENTIALLY WEIGHTED MOVING VARIANCE; MULTIVARIATE PROCESS; WEIGHTED MEAN;

FLOWCHARTING; GRAPHIC METHODS;

COVARIANCE MATRIX;

EID: 70350660794     PISSN: 07488017     EISSN: 10991638     Source Type: Journal    
DOI: 10.1002/qre.998     Document Type: Article

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