Calculating the impact factor
The impact factor (IF) is calculated from the formula IF = A/B, where the numerator A is the total number of citations of the journal articles in the previous 2 years for the year under consideration, and the denominator B is the total number of items published in the same 2 years as in A.
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The Journal Impact Factor is a measure of the frequency with which the “average article” in a journal has been cited in a particular year or period. From: ...
Being published in a journal with a high impact factor does not necessarily guarantee quality of research. However, journals are sometimes used as a proxy ...
Yes, the NEJM has a 2015 impact factor of 59.558. There are 25 journals tracked by Journal Citation Reports that have an impact factor of 30 or higher. by ...
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This paper postulates that month of publication has a significant impact on the standard citation metrics: the immediacy index, 2-year and 5-year impact factors ...
The journal impact factor (JIF) is the average of the number of citations of the papers published in a journal, calculated according to a specific formula; ...
Scientific Reports has a 2-year impact factor of 4.6 (2022), and is the 5th most-cited journal in the world, with more than 738,000 citations in 2022*. *2023 ...
Impact factor (IF) is a measure of the number of times an average paper in a journal is cited, during a year. Clarivate Analytics releases the Journal Impact ...
Evaluate journals with a multidimensional view of a journal's impact and influence. View citation metrics, including the Journal Impact FactorTM (JIFTM) and ...