# Simulation on control chart in monitoring the multivariate process variability
> Mustawinar B.H.

URL kanonis: https://discover.unhas.ac.id/publications/pub_scopus_85017588488
Jurnal / Konferensi: Aip Conference Proceedings
Tahun terbit: 2017
DOI: https://doi.org/10.1063/1.4978982
ISSN: 0094243X
Citations: 0

## Authors
- Mustawinar B.H.

## Abstract
Control chart used to monitor shifts in the process mean and variability for multivariate data. This paper aims to monitor process variability through |S| chart. Process variability observed by used the determinant of the sample covariance matrix, which is called |S|. The result of this paper show that the improved |S| chart is more sensitive to shifts in the process variability. The standard |S| chart has a bigger ARL than the improved chart by simulation.

## Keywords
- Chart
- Control chart
- Multivariate statistics
- Shewhart individuals control chart
- EWMA chart
- Computer science
- Radar chart
- Process (computing)
- Process control
- Statistics
- X-bar chart
- Covariance matrix
- Control limits
- \bar x and R chart
- Data mining
- Mathematics
- Algorithm
- Operating system

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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