本月下旬，應該就要公布最新的JCR影響因子了，除了這個俗稱的SCI影響因子外，Elsevier基于Scopus數據庫，也每年發(fā)布一個影響因子指標，正式名稱為CiteScore，但每年發(fā)布均極為低調，小編剛剛發(fā)現(xiàn)：Elsevier又悄悄地發(fā)布了最新的CiteScore。
往年的CiteScore，我們可以看成是一個三年的影響因子，但根據剛剛公布的數據，今年的算法變動很大，我們稍后給出點簡單的分析說明。
先看看這個公布數據中，CiteScore值在20分以上的期刊，后面我們會給出CiteScore的計算方法等，以及一些期刊的分值點評，比較一下CiteScore與JCR影響因子的差異。
注：以下數據全部來自于Scopus數據庫，系人工整理，如有出錯，盡請指出，也請諒解，注意以下排名，是在該數據庫的Source Type中，選擇了Journals排出來的，但有幾個期刊小編沒見到過。
| 來源出版物名稱 | CiteScore | 2016-19引用數 | 2016-19文獻數 | 被引用比率 |
| Ca-A Cancer Journal for Clinicians | 435.4 | 47455 | 109 | 94 |
| MMWR Recommendations and Reports | 152.5 | 2288 | 15 | 87 |
| Nature Reviews Materials | 123.7 | 23868 | 193 | 96 |
| Chemical Reviews | 100.5 | 97295 | 968 | 96 |
| Reviews of Modern Physics | 75.8 | 11906 | 157 | 92 |
| Nature Reviews Genetics | 73.5 | 14560 | 198 | 94 |
| Nature Reviews Molecular Cell Biology | 73.4 | 17098 | 233 | 89 |
| The Lancet | 73.4 | 122642 | 1671 | 80 |
| Nature Energy | 71.2 | 30740 | 432 | 88 |
| Nature Reviews Cancer | 70.4 | 17948 | 255 | 81 |
| MMWR. Surveillance summaries : Morbidity and mortality weekly report. Surveillance summaries / CDC | 68.4 | 4238 | 62 | 87 |
| Chemical Society Reviews | 67.1 | 77458 | 1154 | 88 |
| New England Journal of Medicine | 66.1 | 152040 | 2301 | 84 |
| Nature Materials | 63.3 | 40970 | 647 | 92 |
| Nature Reviews Immunology | 62.9 | 15525 | 247 | 89 |
| Nature Nanotechnology | 59.4 | 34443 | 580 | 90 |
| Cell | 58.7 | 100190 | 1707 | 96 |
| Nature Photonics | 58.3 | 25294 | 434 | 90 |
| National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System | 56.5 | 2484 | 44 | 84 |
| Energy and Environmental Science | 56 | 63205 | 1129 | 96 |
| Living Reviews in Relativity | 54.1 | 1190 | 22 | 95 |
| IEEE Communications Surveys and Tutorials | 52.6 | 24864 | 473 | 95 |
| Physics Reports | 52.4 | 10525 | 201 | 93 |
| Nature | 51 | 243894 | 4786 | 83 |
| The Lancet Oncology | 49.4 | 40064 | 811 | 82 |
| Annual Review of Astronomy and Astrophysics | 48.7 | 2923 | 60 | 88 |
| Progress in Energy and Combustion Science | 48.3 | 5317 | 110 | 96 |
| Progress in Materials Science | 47.1 | 9556 | 203 | 99 |
| Advances in Physics | 46.7 | 888 | 19 | 95 |
| Nature Medicine | 45.9 | 36274 | 791 | 90 |
| Science | 45.3 | 217261 | 4799 | 81 |
| Nature Genetics | 45.2 | 33363 | 738 | 94 |
| The Lancet Neurology | 44.6 | 16095 | 361 | 89 |
| Nature Reviews Disease Primers | 42.2 | 9616 | 228 | 76 |
| Annual Review of Biochemistry | 41.9 | 5621 | 134 | 97 |
| Materials Science and Engineering: R: Reports | 41.6 | 2164 | 52 | 96 |
| Advanced Materials | 41.3 | 219519 | 5313 | 93 |
| Progress in Polymer Science | 41.1 | 8801 | 214 | 93 |
| Cancer Cell | 40.7 | 18962 | 466 | 95 |
| Nature Reviews Neuroscience | 38.5 | 11978 | 311 | 68 |
| Annual Review of Psychology | 38.2 | 4016 | 105 | 98 |
| Nature Chemistry | 38.2 | 24010 | 629 | 93 |
| Cell Metabolism | 37.5 | 24547 | 654 | 97 |
| Nature Reviews Clinical Oncology | 37.5 | 11930 | 318 | 72 |
| Immunity | 37.4 | 25482 | 681 | 96 |
| The Lancet Diabetes and Endocrinology | 37.4 | 10960 | 293 | 96 |
| Nature Physics | 37 | 24404 | 660 | 93 |
| Nature Reviews Chemistry | 36.4 | 4145 | 114 | 86 |
| Nature Reviews Microbiology | 36.4 | 12629 | 347 | 64 |
| Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition | 36.3 | 105776 | 2913 | 84 |
| Physiological Reviews | 36.1 | 5666 | 157 | 97 |
| Cell Stem Cell | 35.7 | 16389 | 459 | 96 |
| Nature Reviews Drug Discovery | 35.5 | 13446 | 379 | 67 |
| Advanced Energy Materials | 35.4 | 84141 | 2376 | 92 |
| Journal of Clinical Oncology | 35.4 | 59229 | 1672 | 91 |
| IEEE Transactions on Pattern Analysis and Machine Intelligence | 35.2 | 28267 | 804 | 93 |
| Annual Review of Immunology | 35.1 | 3403 | 97 | 97 |
| International Materials Reviews | 34.8 | 2334 | 67 | 100 |
| Nature Climate Change | 34.4 | 18950 | 551 | 91 |
| Pharmacological Reviews | 34.4 | 3098 | 90 | 93 |
| Annual Review of Physiology | 34 | 3226 | 95 | 98 |
| Psychological Science in the Public Interest, Supplement | 33.9 | 644 | 19 | 84 |
| Accounts of Chemical Research | 33.8 | 41071 | 1216 | 92 |
| Clinical Microbiology Reviews | 33.3 | 4368 | 131 | 90 |
| European Urology | 33.2 | 25190 | 759 | 97 |
| Nature Reviews Endocrinology | 33 | 8277 | 251 | 83 |
| Reports on Progress in Physics | 32.9 | 9776 | 297 | 95 |
| Annual Review of Plant Biology | 32.8 | 3507 | 107 | 94 |
| World Psychiatry | 32.8 | 3710 | 113 | 89 |
| Annual Review of Fluid Mechanics | 32.4 | 3337 | 103 | 93 |
| The Lancet Infectious Diseases | 32.4 | 21769 | 671 | 86 |
| Gut | 32.2 | 24784 | 770 | 96 |
| Nature Neuroscience | 32.2 | 25093 | 779 | 90 |
| Nature Biotechnology | 31.5 | 23851 | 757 | 73 |
| Nature Methods | 31.3 | 24639 | 786 | 74 |
| Materials Today | 31.1 | 8302 | 267 | 88 |
| Annual Review of Materials Research | 31 | 2079 | 67 | 94 |
| Acta Neuropathologica | 30.4 | 12961 | 426 | 95 |
| Reviews of Geophysics | 30.4 | 3096 | 102 | 87 |
| Journal of Hepatology | 30.3 | 27658 | 913 | 96 |
| Annual Review of Marine Science | 30 | 2426 | 81 | 96 |
| Trends in Cell Biology | 29.7 | 8727 | 294 | 91 |
| JAMA Oncology | 29.6 | 21296 | 719 | 87 |
| Psychological Bulletin | 29.4 | 4855 | 165 | 92 |
| Advanced Drug Delivery Reviews | 29.3 | 17942 | 613 | 98 |
| Fungal Diversity | 29.1 | 2615 | 90 | 94 |
| Microbiology and Molecular Biology Reviews | 29.1 | 2705 | 93 | 89 |
| Nature Reviews Gastroenterology and Hepatology | 29.1 | 7763 | 267 | 80 |
| Journal of the American College of Cardiology | 29 | 45598 | 1573 | 96 |
| Nature Immunology | 29 | 20275 | 698 | 78 |
| Advances in Optics and Photonics | 28.8 | 1556 | 54 | 91 |
| Annual Review of Pathology: Mechanisms of Disease | 28.5 | 2255 | 79 | 95 |
| NursingPlus Open | 28.3 | 283 | 10 | 100 |
| Trends in Biochemical Sciences | 27.8 | 7725 | 278 | 92 |
| Cell Host and Microbe | 27.6 | 14700 | 533 | 95 |
| The Lancet Respiratory Medicine | 27.6 | 9757 | 353 | 78 |
| Annual Review of Condensed Matter Physics | 27.2 | 2176 | 80 | 96 |
| Nano Today | 26.8 | 5303 | 198 | 86 |
| Surface Science Reports | 26.5 | 847 | 32 | 91 |
| Annual Review of Clinical Psychology | 26.3 | 2157 | 82 | 94 |
| JAMA – Journal of the American Medical Association | 26.3 | 61167 | 2324 | 56 |
| Foundations and Trends in Machine Learning | 26.1 | 313 | 12 | 83 |
| Coordination Chemistry Reviews | 26 | 22759 | 877 | 94 |
| Annals of the Rheumatic Diseases | 25.9 | 25400 | 981 | 94 |
| Molecular Biology and Evolution | 25.9 | 26073 | 1006 | 86 |
| Annual Review of Entomology | 25.8 | 2634 | 102 | 96 |
| The Lancet Psychiatry | 25.7 | 8331 | 324 | 88 |
| Trends in Cognitive Sciences | 25.7 | 7153 | 278 | 89 |
| Renewable and Sustainable Energy Reviews | 25.5 | 115176 | 4512 | 94 |
| Applied Catalysis B: Environmental | 25.3 | 99584 | 3942 | 94 |
| Foundations and Trends in Signal Processing | 25.3 | 253 | 10 | 100 |
| Nature Cell Biology | 25.3 | 14967 | 591 | 87 |
| Circulation | 25.2 | 53342 | 2119 | 83 |
| Science advances | 25.2 | 55562 | 2209 | 98 |
| Neuron | 24.9 | 36000 | 1448 | 94 |
| Journal of the American Chemical Society | 24.8 | 243678 | 9821 | 90 |
| Gastroenterology | 24.7 | 29362 | 1188 | 91 |
| Progress in Lipid Research | 24.6 | 2635 | 107 | 91 |
| Journal of Pineal Research | 24.5 | 7015 | 286 | 92 |
| Nature Reviews Nephrology | 24.5 | 6069 | 248 | 83 |
| JAMA Psychiatry | 24.2 | 11582 | 479 | 90 |
| Molecular Cell | 24.2 | 31576 | 1304 | 94 |
| Annual Review of Physical Chemistry | 24 | 2258 | 94 | 93 |
| Astronomy and Astrophysics Review | 23.9 | 766 | 32 | 91 |
| Annals of Oncology | 23.8 | 27305 | 1148 | 96 |
| European Heart Journal | 23.7 | 49815 | 2106 | 73 |
| Nature Reviews Neurology | 23.7 | 7611 | 321 | 71 |
| Drug Resistance Updates | 23.6 | 1938 | 82 | 94 |
| ACS Nano | 23.5 | 120222 | 5126 | 88 |
| Annual Review of Pharmacology and Toxicology | 23.5 | 2841 | 121 | 97 |
| ACS Energy Letters | 23.4 | 30514 | 1302 | 89 |
| IEEE Communications Magazine | 23.4 | 26314 | 1126 | 86 |
| Progress in Retinal and Eye Research | 23.4 | 3955 | 169 | 95 |
| Human Reproduction Update | 23.3 | 3815 | 164 | 95 |
| Nature Geoscience | 23.3 | 14305 | 613 | 92 |
| Progress in Particle and Nuclear Physics | 23.3 | 2778 | 119 | 92 |
| Chem | 23.2 | 11012 | 475 | 92 |
| Nature Microbiology | 23.2 | 15286 | 660 | 87 |
| Nano Energy | 23.1 | 72695 | 3146 | 90 |
| The Lancet Global Health | 23.1 | 8314 | 360 | 99 |
| Trends in Biotechnology | 23.1 | 7530 | 326 | 95 |
| Molecular Psychiatry | 22.7 | 16725 | 736 | 96 |
| Quarterly Journal of Economics | 22.7 | 3385 | 149 | 92 |
| Trends in Plant Science | 22.5 | 7473 | 332 | 92 |
| Diabetes Care | 22.3 | 27713 | 1240 | 87 |
| JAMA Internal Medicine | 22.3 | 14845 | 667 | 82 |
| Joule | 22.3 | 8730 | 391 | 89 |
| Trends in Ecology and Evolution | 22.3 | 6733 | 302 | 91 |
| Academy of Management Annals | 22.1 | 2054 | 93 | 91 |
| Advanced Functional Materials | 22 | 96959 | 4403 | 89 |
| European Journal of Heart Failure | 22 | 12717 | 579 | 94 |
| American Journal of Psychiatry | 21.9 | 10134 | 462 | 87 |
| Information Fusion | 21.9 | 8510 | 388 | 95 |
| Personality and Social Psychology Review | 21.9 | 1202 | 55 | 96 |
| Nature Chemical Biology | 21.8 | 13929 | 640 | 90 |
| IEEE Journal on Selected Areas in Communications | 21.7 | 19551 | 899 | 91 |
| Wiley Interdisciplinary Reviews: Computational Molecular Science | 21.7 | 3063 | 141 | 94 |
| American Journal of Respiratory and Critical Care Medicine | 21.6 | 22845 | 1059 | 90 |
| IEEE Network | 21.6 | 5864 | 272 | 98 |
| Review of Educational Research | 21.6 | 2416 | 112 | 88 |
| Ecology Letters | 21.5 | 3555 | 165 | 91 |
| Trends in Immunology | 21.5 | 6270 | 291 | 88 |
| Light: Science and Applications | 21.4 | 7856 | 367 | 89 |
| Biological Psychiatry | 21.3 | 15275 | 716 | 96 |
| Living Reviews in Solar Physics | 21.3 | 384 | 18 | 94 |
| Alzheimer’s and Dementia | 21.1 | 10273 | 486 | 87 |
| Immunological Reviews | 21.1 | 7805 | 370 | 91 |
| Nucleic Acids Research | 21.1 | 107916 | 5119 | 87 |
| Annual Review of Medicine | 21 | 2835 | 135 | 94 |
| IEEE Transactions on Evolutionary Computation | 21 | 5567 | 265 | 92 |
| Physics of Life Reviews | 20.9 | 1192 | 57 | 96 |
| Angewandte Chemie – International Edition | 20.8 | 232037 | 11153 | 91 |
| Hepatology | 20.6 | 29405 | 1430 | 89 |
| Physical Review X | 20.6 | 19148 | 930 | 91 |
| Proceedings of the IEEE | 20.6 | 11337 | 550 | 83 |
| Annual Review of Biomedical Engineering | 20.5 | 1517 | 74 | 92 |
| Nano Letters | 20.5 | 92354 | 4509 | 87 |
| Trends in Microbiology | 20.5 | 6217 | 304 | 95 |
| IEEE Transactions on Cybernetics | 20.4 | 25372 | 1245 | 95 |
| Nature Protocols | 20.4 | 12253 | 602 | 90 |
| Foundations and Trends in Networking | 20.3 | 142 | 7 | 100 |
| IEEE Wireless Communications | 20.2 | 9397 | 466 | 84 |
| Trends in Pharmacological Sciences | 20.1 | 5799 | 288 | 90 |
幾點點評
一. Ca-A Cancer Journal for Clinicians，最近各路神仙都預測其最新JCR影響因子將超過300，但CiteScore 今年計算方法一變后，達到了驚人的435，當然是因為計算了多年引用量的關系。理論上，現(xiàn)在很難拿JCR影響因子與CiteScore再來對比了。
二. 我們平時言必提Nature, Science, Cell 三個頂尖刊物，在CiteScore這個排名中，悄悄地躲在了后面，可見兩個評價指標的差異之大。
三, 今年CiteScore的新的計算方式
據小編從一些編輯同行了解到的計算方法是：
2016-2019年的發(fā)表的文獻（特定類型）數作為分母，2016-2019年的發(fā)表的這些文獻自發(fā)表來的所有引用（不限于當年）作為分子。
而JCR影響因子對應的則是，分母取前兩年發(fā)表的特定類型文章數，分子取前兩年發(fā)表的所有文獻數在第三年的被引次數。
然后，JCR影響因子基于WOS數據庫，CiteScore基于Scopus數據庫，兩者收錄的期刊范圍差別也非常大。
所有這些，都導致了兩個指標的差異。
不過，今年的JCR影響因了也推遲了，鑒于這兩年科技評價方式導向等的變化，JCR影響因子會不會也來個大改版呢？？
