On Usefulness of Maximum Likelihood Estimator Using Incomplete Data

Hironori Fujisawa
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Hironori Fujisawa: The Institute of Statistical Mathematics

A chapter in Measurement and Multivariate Analysis, 2002, pp 227-232 from Springer

Abstract: Summary We often encounter with missing data which consist of a complete part and an incomplete part. In this case, there are two types of maximum likelihood estimator. One is the conventional maximum likelihood estimator based on all of the data and another is based on the complete part only, which neglects the incomplete part. Let n and n* be the sample sizes of the complete part and the incompleste part, respectively. It is well-known that the former is asymptotically better than the latter when n*n is constant. However, other cases have not been well-known. This paper shows that the former is better than the latter in other cases in view of higher-order. In addition, this paper illustrates some exact comparison.

Keywords: Probability Density Function; Maximum Likelihood Estimator; Likelihood Estimator; Exponential Family; Fisher Information Matrix (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-4-431-65955-6_24

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DOI: 10.1007/978-4-431-65955-6_24

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