skewed citation distributions should not be averaged

Sylvan Katz j.s.katz at SUSSEX.AC.UK
Wed Aug 31 17:23:39 EDT 2011


Yes - perhaps something in the order of 20-30 years of Scopus or WoS data 
might be large enough.


--On Wednesday, August 31, 2011 11:08 PM +0200 Loet Leydesdorff 
<loet at LEYDESDORFF.NET> wrote:

> Adminstrative info for SIGMETRICS (for example unsubscribe):
>> A closer look at the evolution of the citation distributions over a long
> period of time maybe necessary before a definitive answer can be given to
> the question of whether "Citation distributions are so skewed that using
> the mean or any other central tendency measure is ill-advised."
> Dear Silvan,
> Wouldn't one need very large samples (N > 10^6) to test this?
> Typically, IFs, for example, are computed over 10^2 - 10^3 citable items.
> Best,
> Loet

Dr. J. Sylvan Katz, Visiting Fellow
SPRU, University of Sussex

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