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Efficient score estimation and adaptive M-estimators in censored and truncated regression models
- Efficient score estimation and adaptive M-estimators in censored and truncated regression models
- Kim C.-K.; Lai T.L.
- Ewha Authors
- Issue Date
- Journal Title
- Statistica Sinica
- vol. 10, no. 3, pp. 731 - 749
- SCI; SCIE; SCOPUS
- An adaptive M-estimator of a regression parameter based on censored and truncated data is developed by using B-splines to estimate the efficient score function and a relatively simple cross validation method to determine the number of knots. An iterative algorithm to compute the estimator is also provided. The adaptive estimator is asymptotically efficient, and simulation studies of the finite-sample performance of the adaptive estimator shows that it is superior to other M-estimators for regression analysis of censored and truncated data in the literature. An asymptotic theory of cross validation in the presence of censoring and truncation is also developed in this connection.
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