Hu, Jianhua; Liu, Fuxiang; Ahmed, S. Ejaz - In: Journal of Multivariate Analysis 108 (2012) C, pp. 53-66
In this paper, we propose a framework of outer product least squares for covariance (COPLS) to directly estimate covariance in the growth curve model based on an analogy, between the outer product of a data vector and covariance of a random vector, and the ordinary least squares technique. The...