Malaysian Journal of Library & Information Science
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Article Information
Title:t factor: A metric for measuring impact on Twitter (doi:
Auhtor(s): Lutz Bornmann,Robin Haunschild,
Journal:Malaysian Journal of Library & Information Science
Volume:21, No 2
Keywords:Altmetrics; h index; t factor; Twitter
Abstract:Based on the definition of the well-known h index we propose a t factor for measuring the impact of publications (and other entities) on Twitter. The new index combines tweet and retweet data in a balanced way, whereby retweets are seen as data reflecting the impact of initial tweets. The t factor is defined as follows: a unit (single publication, journal, researcher, research group etc.) has factor t if t of its Nt tweets have at least t retweets each and the other (Nt-t) tweets have =t retweets each.

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