SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is. It is based on the idea that 'all citations are not created equal'. The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. SCImago Journal Rank (SJR) 2021: 0.337 ℹ SCImago Journal Rank (SJR): The Journal Impact Factor is the average number of times articles from the journal published in the past two years have been cited in the Journal Citation Reports year.ĬiteScore is the number of citations received by a journal in one year to documents published in the three previous years, divided by the number of documents indexed in Scopus published in those same three years.

The Impact Factor itself is based only on Web of Science Core Collection citation data from the last three years and thus reflects only recent impact. This is calculated differently from the Journal Impact Factor, so it is not simply an average of the Impact Factors in the time period. Thus, the impact factor of a journal is calculated by dividing the number of current year citations to the source items published in that journal during the previous two years.ĥ-Year Impact Factor: 1.944 ℹ 5-Year Impact Factor:Ī 5-Year Impact Factor shows the long-term citation trend for a journal. The annual JCR impact factor is a ratio between citations and recent citable items published.

The impact factor is one of these it is a measure of the frequency with which the “average article” in a journal has been cited in a particular year or period. The JCR provides quantitative tools for ranking, evaluating, categorizing, and comparing journals. Impact Factor (JCR) 2021: 2.299 ℹ Impact Factor (JCR):

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