A multivariate EWMA control chart for skewed populations using weighted variance method

A multivariate EWMA control chart for skewed populations using weighted variance method

This article proposes Multivariate Exponential Weighted Moving Average control chart for skewed population using heuristic Weighted Variance (WV) method, obtained by decomposing the variance into the upper and lower segments according to the direction and degree of skewness.This method adjusts the...

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Bibliographic Details
Main Authors: AMA, Atta, MHA, Shoraim, Syed Yahaya, Sharipah Soaad
Format: Article
Language:English
Published: IRJSE 2014
Subjects:
QA Mathematics
Online Access:https://repo.uum.edu.my/id/eprint/20175/1/IRJSE%202014%202%206%20191-202.pdf

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