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| Author: | Bowater, R. |
| Title: | Hearing impairment and the log-normal distribution |
| Journal: | Applied Statistics
1996 : VOL. 45:2, p. 203-218 |
| Index terms: | RESEARCH STATISTICS LINEAR MODELS |
| Language: | eng |
| Abstract: | Data on hearing impairment are studied by using a three-parameter log-normal distribution, all of whose parameters depend on covariates. The fitting algorithm is an extension of generalized linear modelling. Questions for research include the estimation of a base-line distribution of hearing threshold levels for an "unexposed" population and the development of a model that describes how the distribution changes with age and exposure to noise. The model gives a good description of data from a recent national survey. |
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