Shrinkage estimates of covariance matrices to improve the performance of multivariate cumulative sum control charts.
Nurudeen Adedayo AdegokeAdam N. H. SmithMarti J. AndersonSaddam Akber AbbasiMatthew D. M. PawleyPublished in: Comput. Ind. Eng. (2018)
Keyphrases
- cumulative sum
- control charts
- statistical process control
- covariance matrices
- covariance matrix
- multivariate normal
- process control
- weighted moving average
- abnormal patterns
- maximum likelihood
- vector space
- adaptive control
- parallel algorithm
- gaussian distribution
- gaussian mixture model
- artificial neural networks
- distance measure
- probabilistic model