Quality and Reliability Engineering International

A note on the Bayesian analysis of experiments with correlated multiple responses using a matrix‐logarithmic covariance model

Early View

Abstract In the literature, analysis of multiple responses from experiments with replicates has modeled the covariance matrix directly as linear models of the transformed variances and correlations, ie, covariance modeling. This article considers models based on the matrix‐logarithm of the covariance matrix. This so‐called log‐covariance modeling is illustrated with data from actual experiments and compared with the traditional covariance modeling.

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