ABSTRACT: In normal theory exploratory factor analysis, likelihood ratio (LR) statistic plays an important role in evaluating the goodness-of-fit of the model. In this paper, we derive an ...
Abstract: This article deals with the dynamic factor analysis problem for an ARMA process. To robustly estimate the number of factors, we construct a confidence region centered in a finite sample ...
Abstract: Cloud computing technologies have increased the diversity and complexity of security expertise needed to prevent cyber attacks. decisionIn software and system architect area, The expertise ...