Peter Attia· MD
so it's um it's the ratio between the number of citations total citations that point so citing something is referencing that paper so when you if you're writing a paper you would say well you know Kaplan wrote such and such and you you cite that paper it's a reference so great paper yeah great great paperback app so it's the it's the ratio between the total number of citations that come to all articles published by that journal by the total number of Articles published by the Journal over at previous period of time so it's typically done over a year so you would say okay uh you know 27 000 citations came into the journals published out of that article out of 10 000 articles so 27 000 divided by 10 000 would be 2.7 the impact factor would be 2.7