Descriptor
| Goodness of Fit | 1 |
| Mathematical Models | 1 |
| Probability | 1 |
| Statistical Distributions | 1 |
| Subject Index Terms | 1 |
| Time | 1 |
Source
| Journal of Documentation | 1 |
Author
| Nelson, Michael J. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedNelson, Michael J. – Journal of Documentation, 1989
Presents a probability model of the occurrence of index terms used to derive discrete distributions which are mixtures of Poisson and negative binomial distributions. These distributions give better fits than the simpler Zipf distribution, have the advantage of being more explanatory, and can incorporate a time parameter if necessary. (25…
Descriptors: Goodness of Fit, Mathematical Models, Probability, Statistical Distributions
