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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1786

Title: Averages of impact factors
Authors: EGGHE, Leo
ROUSSEAU, Ronald
Issue Date: 2007
Publisher: LIASA
Citation: SOUTH AFRICAN JOURNAL OF LIBRARIES AND INFORMATION SCIENCE Science, 73(1). p. 84-89
Abstract: It is shown that the ratio of the harmonic mean of citations over the harmonic mean of publications does not lead to an acceptable impact measure for a meta-journal. This result contrasts markedly with the corresponding cases in which the arithmetic or geometric average is used. The relation between different averages and the regression of impact over publications or the regression of the opposite of impact over the opposite of publication numbers is studied in some detail. This leads to the general observation that if the regression line of y over x has a positive slope then this is not necessarily true for the regression line of 1/y over 1/x
Notes: Previously published as South African Journal of Library and Information Science, until Vol 67, Issue 2. First volume of the South African Journal of Libraries and Information Science published as Vol 68, Issue 1, 2002.
URI: http://hdl.handle.net/1942/1786
ISSN: 0256-887X
Category: A2
Type: Journal Contribution
Appears in Collections: Research publications

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