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Computation of the mean vector and dispersion matrix for incomplete multivariate data |
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| Authors: | John R. Huseby Neil C. Schwertman John. Van Ryzin |
| Affiliation: | 1. Department of Mathematics , California State University , Pomona;2. Department of Mathematics , University of Wisconsin , Milwaukee;3. The Rand Corporation , Santa Monica , California |
| Abstract: | |
| Keywords: | pooled dispersion matrix smoothing of non-positive semidefinite dispersion matrix Moore- Penrose generalized inverse |