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Koeficiye nt vplivo vosti impakt faktor angl impact factor koeficiyent spivvidnoshennya cituvannya naukovih zhurnaliv Chasto vikoristovuyetsya yak ocinka vazhlivosti zhurnalu v pevnij galuzi Rozroblenij u 1975 roci dlya bazi danih Journal Citation Reports ye zareyestrovanoyu torgovoyu markoyu kompaniyi Institut naukovoyi informaciyi yaka ye vlasnistyu kompaniyi Clarivate Analytics Obchislennya impakt faktoru vidbuvayetsya lishe za bazoyu danih Journal Citation Reports inshi naukometrichni koeficiyenti yaki rozrahovuyutsya za riznimi bazami napriklad Google Scholar chi Scopus budut mati inshi znachennya Zmist 1 Obchislennya 2 Prikladi 3 Div takozh 4 PosilannyaObchislennya RedaguvatiKoeficiyent vplivovosti obchislyuyetsya za 3 roki ta 5 rokiv Jogo mozhna rozglyadati yak userednene spivvidnoshennya kilkosti cituvan statej v zhurnali protyagom potochnogo roku do zagalnoyi kilkosti statej nadrukovanih v comu zhurnali za poperedni dva roki Napriklad koeficiyent vplivosti zhurnalu za 2003 rik bude obchisleno tak 2003koeficiyent vplivovosti A B de A kilkist cituvan statej nadrukovanih protyagom 2001 2002 rr v zhurnalah za 2003 rik B zagalna kilkist statej na yaki mozhna posilatis zazvichaj statti dopovidi z konferencij oglyadi zamitki ale ne redaktorski kolonki listi vid chitachiv nadrukovanih protyagom 2001 2002 rr dd Koeficiyent vplivovosti za 2003 rik bude vstanovleno vzhe u 2004 roci oskilki jogo bude obchisleno pislya otrimannya vsih materialiv za 2003 rik Prikladi RedaguvatiSprosheno KV mozhna sprijmati tak yaksho v serednomu kozhna nadrukovana stattya bula procitovana odin raz to zhurnal matime KV rivnij 1 Inshij priklad dlya himichnogo zhurnalu Tetrahedron znachennya 2 8 oznachaye sho za 2007 rik statti 2006 ta 2005 rokiv cituvalis v serednomu trohi menshe nizh trichi ISI Impact Factor PageRank Combined1 52 28 ANNU REV IMMUNOL 16 78 Nature 51 97 Nature2 37 65 Annual Review of Biochemistry 16 39 Journal of Biological Chemistry 48 78 Science3 36 83 PHYSIOL REV 16 38 Science 19 84 New England Journal of Medicine4 35 04 NAT REV MOL CELL BIO 14 49 PNAS 15 34 Cell5 34 83 New England Journal of Medicine 8 41 PHYS REV LETT 14 88 PNAS6 30 98 Nature 5 76 Cell 10 62 Journal of Biological Chemistry7 30 55 Nature Medicine 5 70 New England Journal of Medicine 8 49 JAMA8 29 78 Science 4 67 Journal of the American Chemical Society 7 78 The Lancet9 28 18 Nature Immunology 4 46 J IMMUNOL 7 56 Nature Genetics10 28 17 REV MOD PHYS 4 28 APPL PHYS LETT 6 53 Nature MedicineDiv takozh RedaguvatiIndeks cituvan Bibliografiya SCOPUS SNIP Source Normalized Impact per Paper Posilannya RedaguvatiThe Impact Factor Arhivovano 15 Grudnya 2005 u Wayback Machine na sajti Thomson ISI angl CWTS Journal Indicators Indicators Arhivovano 22 Travnya 2016 u Wayback Machine Otrimano z https uk wikipedia org w index php title Koeficiyent vplivovosti amp oldid 38070029