Analyzing latent variables is becoming more and more important in several fields, such as clinical research, psychology, educational sciences, ecology, and epidemiology. The item response theory allows analyzing latent variables measured by questionnaires of items with binary or ordinal...

Abstract. Quasi-least squares (QLS) is an alternative method for estimating the correlation parameters within the framework of the generalized estimating equation (GEE) approach for analyzing correlated cross-sectional and longitudinal data. This article summarizes the development of QLS that...

Purpose – The authors aim to investigate what influences a Farm Credit System association to make a patronage refund payment. In particular, they seek to investigate what causes the regional heterogeneity in the patronage refund payment decision. It is unclear whether patronage refunds have...

Purpose – The authors aim to investigate what influences a Farm Credit System association to make a patronage refund payment. In particular, they seek to investigate what causes the regional heterogeneity in the patronage refund payment decision. It is unclear whether patronage refunds have...

A common approach to the claims reserving problem is based on generalized linear models (GLM), where the claims in different origin and development years are assumed to be independent variables. If this is violated, the classical techniques may provide incorrect predictions of the claims...