Archive for June 15th, 2012

IF versus EF

June 15, 2012

I have only recently become aware of the existence of the Eigenfactor (EF). It is a proposed measure of the overall influence, impact, prestige of a scholarly journal in its own discipline, or field. The one and only measure with which I was familiar is the well-known Impact Factor (IF), which is actually fairly straightforward to understand. By contrast, the eigenfactor is determined through a rather complex procedure (I am not going to discuss its computation in this post — for details, see here).