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|Title: ||A basic indicator for relative contributions and a remarkable difference between a ratio of averages and an average of ratios|
|Authors: ||EGGHE, Leo|
|Issue Date: ||2014|
|Citation: ||MALAYSIAN JOURNAL OF LIBRARY & INFORMATION SCIENCE, 19 (1), p. 17-22|
|Abstract: ||This article has been inspired by the activity index and problems in its proper understanding. It studies a basic relative contribution index which is placed in the context of countries’ publication contributions. Two versions are proposed: one being an average of ratios (AoR) and the other one a ratio of averages (RoA). A Lotkaian-Zipfian framework is used to model the two versions of the proposed indicator. A remarkable difference between the two approaches (RoA vs. AoR) is found when determining the fraction of units (countries) that have a value larger than one. This observation contributes to the understanding of the differences between these two approaches.|
|Notes: ||Egghe, L (reprint author), Univ Hasselt UHasselt, Campus Diepenbeek,Agrolaan, B-3590 Diepenbeek, Belgium.
|ISI #: ||000331270100002|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2015|
|Appears in Collections: ||Research publications|
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|published version||138.49 kB||Adobe PDF|
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