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Now showing items 21-22 of 22
Control charts for variability monitoring in high-dimensional processes
(
Elsevier Ltd
, 2019 , Article)
Monitoring process variability is associated with detecting changes in the covariance matrix of a multivariate normal process. Most monitoring methods estimate the sample covariance matrix and compare it with the in-control ...
Sustainability Performance of European Smart Cities: A Novel DEA Approach with Double Frontiers
(
Elsevier Ltd
, 2022 , Article)
Sustainability is the crux of urban renaissance. Imbibed with utopian technological planning, understanding the convergence between smart development and sustainable practices for city development is necessary. Smart cities ...