Jimoh Olawale Ajadi, Angus Wong, Tahir Mahmood & Kevin Hung. (2021) A new multivariate CUSUM chart for monitoring of covariance matrix with individual observations under estimated parameter. Quality and Reliability Engineering International 38:2, pages 834-847.
Crossref
Jimoh Olawale Ajadi & Inez Maria Zwetsloot. (2020) Should observations be grouped for effective monitoring of multivariate process variability?. Quality and Reliability Engineering International 36:3, pages 1005-1027.
Crossref
Dauda Usman & Fatima Sani Stores. (2020) On Some Data Pre-processing Techniques For K-Means Clustering Algorithm. Journal of Physics: Conference Series 1489:1, pages 012029.
Crossref
Xiu Ning & Pingke Li. (2019) A simulation comparison of some distance‐based EWMA control charts for monitoring the covariance matrix with individual observations. Quality and Reliability Engineering International 36:1, pages 50-67.
Crossref
Z. Zolkepley, M. A. Djauhari & R. M. Salleh. SPC in service industry: Case in teaching and learning process variability monitoring. SPC in service industry: Case in teaching and learning process variability monitoring.
Nur Syahidah Yusoff, Noryanti Mohamad, Chuan Zun Liang, Shamshuritawati Sharif & Tan Lit Ken. (2018) A network topology approach to diagnose the shift of covariance structure. MATEC Web of Conferences 189, pages 03027.
Crossref
Iuliana Madalina Stoica, Hamid Babamoradi & Frans van den Berg. (2017) A statistical strategy to assess cleaning level of surfaces using fluorescence spectroscopy and Wilks’ ratio. Chemometrics and Intelligent Laboratory Systems 165, pages 11-21.
Crossref
Maman A. Djauhari, Rohayu Mohd Salleh, Zunnaaim Zolkeply & Lee Siaw Li. On the reliability of Shewhart-type control charts for multivariate process variability. On the reliability of Shewhart-type control charts for multivariate process variability.
Nur Syahidah Yusoff & Shamshuritawati Sharif. Identifying influential variables in complex system: Network topology versus principal component analysis. Identifying influential variables in complex system: Network topology versus principal component analysis.
Revathi Sagadavan, Maman A. Djauhari & Ismail Mohamad. (2014) Estimation of population generalized variance: Application in service industry. Estimation of population generalized variance: Application in service industry.
Lee Siaw Li & Maman A. Djauhari. (2012) Using combination charts to cocoa powder production process control. Using combination charts to cocoa powder production process control.
M. A. Djauhari. (2011) The effect of an additional observation on covariance structure. The effect of an additional observation on covariance structure.
R. M. Salleh & M. A. Djauhari. (2011) Robust monitoring of process mean vector in female shrouded connector production: An experience in Malaysia. Robust monitoring of process mean vector in female shrouded connector production: An experience in Malaysia.
M. A. Djauhari. (2011) Combination of two Shewhart-type control charts to detect small as well as large shifts in multivariate process variability. Combination of two Shewhart-type control charts to detect small as well as large shifts in multivariate process variability.
W. S. Yusoff & M. A. Djauhari. (2011) Comparison study on the speed of convergence in distribution of sample generalized variance and sample vector variance. Comparison study on the speed of convergence in distribution of sample generalized variance and sample vector variance.