3.2(top 10%)

2-year impact

3.4(top 10%)

3-year impact

3.5(top 10%)

5-year impact

3.8(top 10%)

10-year impact

4.5K(top 5%)

PR articles

171.0K(top 5%)

PR citations

157(top 2%)

PR h-index

176(top 2%)

h-index

3.5(top 20%)

extended IF

2.6(top 20%)

2-YI (article-only)

12.7(top 10%)

2-YI (review-only)

3.1(top 10%)

2-YI (no self-cite.)

4.8K

documents

217.6K

doc citations

Journal of the Royal Society Interface 2-year article impact factor — This chart shows the 2-year article impact factor of **Journal of the Royal Society Interface** over time and its percentile among journals. Only research articles are counted in both the numerator (citations) and denominator (citable items).

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How is the 2-year article impact calculated?

The 2-year article impact for year X equals the citations received in year X to research articles published in years X-1 and X-2, divided by the number of research articles published in those two years. Unlike the standard 2-year impact, only items classified as research articles are counted in both the numerator and denominator.

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Journal of the Royal Society Interface