Title
The distribution of the uncitedness factor and its functional relation with the impact factor The distribution of the uncitedness factor and its functional relation with the impact factor
Author
Faculty/Department
Faculty of Social Sciences. Instructional and Educational Sciences
Publication type
article
Publication
Amsterdam ,
Subject
Documentation and information
Source (journal)
Scientometrics: an international journal for all quantitative aspects of the science of science and science policy. - Amsterdam
Volume/pages
83(2010) :3 , p. 689-695
ISSN
0138-9130
ISI
000277418400007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The uncitedness factor of a journal is its fraction of uncited articles. Given a set of journals (e.g. in a field) we can determine the rank-order distribution of these uncitedness factors. Hereby we use the Central Limit Theorem which is valid for uncitedness factors since it are fractions, hence averages. A similar result was proved earlier for the impact factors of a set of journals. Here we combine the two rank-order distributions, hereby eliminating the rank, yielding the functional relation between the impact factor and the uncitedness factor. It is proved that the decreasing relation has an S-shape: first convex, then concave and that the inflection point is in the point (μ′, μ) where μ is the average of the impact factors and μ′ is the average of the uncitedness factors.
E-info
https://repository.uantwerpen.be/docman/iruaauth/db56c0/30cccd49b1e.pdf
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