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Evaluating Authors, Articles, and Journals
Information about assessing researchers, publications, and journals and increasing the impact of your scholarship.
This is the number of papers (h) that have received at least h citations. An h of 15 means that an author has at least 15 publications that have been cited at least 15 times each. Please note that your h-index may vary depending on the source (coverage of journal titles, time span, etc.) For instance, h-indices derived from Google Scholar tend to be higher than those from Scopus. Learn more about the h-index here.
Modeled after the Journal Impact Factor (JIF). For an AIF of 15 in 2020: the total citations received 2018 and 2019 / number of articles published in 2018 and 2019 = 15.
To calculate: average number of citations from papers published in year t to papers of the journal X published in the two years preceding t (t - 1 and t - 2) (Pan and Fortunato, 2014)
The g-index is a variant of the h-index that places greater weight on highly cited articles. The g-index is always the same as or higher than the h-index. Proposed by Leo Egghe in his paper "Theory and Practice of the G-Index" in 2006.
A g-index of 20 means that an author has published at least 20 articles that combined received at least 400 citations total.
The RCR represents a citation-based measure of one or more articles, and can thus be used to explore either article or author level impact. It is normalized to account for the average citations for other NIH publications in the same field.
