semble
发表于 2025-3-30 10:32:58
Karl Moorevery weak and they are usually satisfied if it is stationary. We distinguish between the EWMA chart based on the exact variance and the EWMA scheme based on the asymptotic variance. In the case of the EWMA chart with exact variance the in-control variance of the EWMA recursion at time . is used for
连词
发表于 2025-3-30 16:09:39
Karl Mooree related to reliability characteristics it is practically hardly possible to monitor such characteristics directly. Instead, we use some training data in order to build a model that is used for the prediction of the value of an unobservable variable of interest basing on the values of observed expl