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De Khoo, Zhi and Ng, Kok Haur and Koh, You Beng and Ng, Kooi Huat (2024) Forecasting volatility of stock indices: Improved GARCH-type models through combined weighted volatility measure and weighted volatility indicators. North American Journal of Economics and Finance, 71. p. 102112. ISSN 1062-9408, DOI https://doi.org/10.1016/j.najef.2024.102112.
Zhou, Jing Jia and Ng, Kok Haur and Ng, Kooi Huat and Peiris, Shelton and Koh, You Beng (2022) Asymmetric control limits for weighted-variance mean control chart with different scale estimators under Weibull distributed process. Mathematics, 10 (22). ISSN 2227-7390, DOI https://doi.org/10.3390/math10224380.
Teoh, L.E. and Ng, Kooi Huat and Ng, Kok Haur and Liew, Jeng Young and Ng, W.S. (2021) Change point detection in process control with robust individuals control chart. ITM Web of Conferences, 36. 01006. ISSN 2271-2097, DOI https://doi.org/10.1051/itmconf/20213601006.
