Bai, Z. D. ; Radhakrishna Rao, C. (1992) A note on Edgeworth expansion for ratio of sample means and applications to survival analysis Sankhya: The Indian Journal of Statistics, 54 (3). pp. 309-322. ISSN 0972-7671
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Official URL: http://www.jstor.org/pss/25050887
Abstract
Edgeworth expansions are obtained for the ratio of the marginal sample means X̅ and Y̅ of the i.i.d. observations (X1, Y1), ..., (Xn, Yn), where one of them is a counting variable, and for the ratio of two such independent ratios. Such ratios arise in survival analysis in measuring and comparing the risk of exposure of individuals to hazardous environments. The explicit expressions in the Edgeworth expansions are derived.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Statistical Institute. |
| Keywords: | Edgeworth Expansion; Occurrence; Exposure Rate; Ratio Estimation |
| ID Code: | 71873 |
| Deposited On: | 28 Nov 2011 04:15 |
| Last Modified: | 28 Nov 2011 04:15 |
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