Abstract
In this paper we reconsider the results in Wang [Wang, J., 1995. Asymptotic normality of L 1 -estimators in nonlinear regression. J. Multivariate Anal. 54, 227–238; Wang, J., 1996. Asymptotics of least-squares estimators for constrained nonlinear regression. Ann. Statist. 4, 1316–1326], who studies the conditions for asymptotic normality of L 1 - and (constrained) L 2 -norm regression estimators in the nonlinear regression model. Unfortunately, Wang fails to state necessary global conditions.
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