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Physics and Astronomy Research Guide: Journal Metrics

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Journal Metrics

The databases listed here also provide basic statistics like number of articles published per year, number of citations to the journal each year, and number of references made each year. 

CWTS Journal Indicators - offers a number of bibliometric indicators on scientific journals. These indicators have been calculated based on the Scopus bibliographic database produced by Elsevier. A key indicator offered by CWTS Journal Indicators is the SNIP indicator, where SNIP stands for source normalized impact per paper.

Eigenfactor
Eigenfactor, Article Influence
Similar to the 5-Year Journal Impact Factor, but weeds out journal self-citations.  It also, unlike the Journal Citation Reports impact factor, cuts across both the hard sciences and the social sciences

Google Scholar Metrics 
Provides h5-index and h5-median.
h5-index:
This metric is based on the articles published by a journal over 5 calendar years. h is the largest number of articles that have each been cited h times. A journal with an h5-index of 43 has published, within a 5-year period, 43 articles that each have 43 or more citations.This metric is based on the articles published by a journal over 5 calendar years. h is the largest number of articles that have each been cited h times. A journal with an h5-index of 43 has published, within a 5-year period, 43 articles that each have 43 or more citations.

Journal CItation Reports 
Impact factor, 5-year impact factor, immediacy index, cited half-life, Eigenfactor, Article Influence

Scopus Journal Analyzer

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Judy Matthews
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