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A robust multivariate sign control chart for detecting shifts in covariance matrix under the elliptical directions distributions
- Source :
- Quality Technology & Quantitative Management. 16:113-127
- Publication Year :
- 2017
- Publisher :
- Informa UK Limited, 2017.
-
Abstract
- Most existing control charts monitoring the covariance matrix of multiple variables were restricted to multivariate normal distribution. When the process distribution is non-normal, the performance...
- Subjects :
- 021103 operations research
Information Systems and Management
Covariance function
0211 other engineering and technologies
Matrix t-distribution
Multivariate normal distribution
02 engineering and technology
Management Science and Operations Research
01 natural sciences
Normal-Wishart distribution
010104 statistics & probability
Estimation of covariance matrices
Scatter matrix
Management of Technology and Innovation
Industrial relations
Statistics
Multivariate t-distribution
0101 mathematics
Business and International Management
Elliptical distribution
Algorithm
Mathematics
Subjects
Details
- ISSN :
- 16843703
- Volume :
- 16
- Database :
- OpenAIRE
- Journal :
- Quality Technology & Quantitative Management
- Accession number :
- edsair.doi...........06db352496a9c48372d56af2f1ce8b61
- Full Text :
- https://doi.org/10.1080/16843703.2017.1372852