Censored regression models with double exponential error distributionsan iterative estimation procedure based on medians for correcting bias

  1. Anido Hermida, Carmen
  2. Valdés Sánchez, Teófilo
Revista:
Revista matemática complutense

ISSN: 1139-1138 1988-2807

Ano de publicación: 2000

Volume: 13

Número: 1

Páxinas: 137-162

Tipo: Artigo

DOI: 10.5209/REV_REMA.2000.V13.N1.17094 DIALNET GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: Revista matemática complutense

Resumo

In this paper, we consider a simple iterative estimation procedure for censored regression models with symmetrical exponential error distributions. Although each step requires to impute the censored data with conditional medians, its tractability is guaranteed as well as its convergence at geometrical rate. Finally, as the final estimate coincides with a Huber M-estimator, its consistency and asymptotic normality are easily proved.