Elsevier的影响因子正式公布！速看20分以上期刊

算

内容来源：数据整理自Scopus网站，及本公众号之前推送

本月下旬，应该就要公布最新的JCR影响因子了，除了这个俗称的SCI影响因子外，Elsevier基于Scopus数据库，也每年发布一个影响因子指标，正式名称为CiteScore，但每年发布均极为低调，小编刚刚发现：Elsevier又悄悄地发布了最新的CiteScore。

往年的CiteScore，我们可以看成是一个三年的影响因子，但根据刚刚公布的数据，今年的算法变动很大，我们稍后给出点简单的分析说明。

先看看这个公布数据中，CiteScore值在20分以上的期刊，后面我们会给出CiteScore的计算方法等，以及一些期刊的分值点评，比较一下CiteScore与JCR影响因子的差异。

注：以下数据全部来自于Scopus数据库，系人工整理，如有出错，尽请指出，也请谅解，注意以下排名，是在该数据库的Source Type中，选择了Journals排出来的，但有几个期刊小编没见到过。

来源出版物名称	CiteScore	2016-19引用数	2016-19文献数	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

几点点评

一.  Ca-A Cancer Journal for Clinicians，最近各路神仙都预测其最新JCR影响因子将超过300，但CiteScore 今年计算方法一变后，达到了惊人的435，当然是因为计算了多年引用量的关系。理论上，现在很难拿JCR影响因子与CiteScore再来对比了。

二. 我们平时言必提Nature, Science, Cell 三个顶尖刊物，在CiteScore这个排名中，悄悄地躲在了后面，可见两个评价指标的差异之大。

三, 今年CiteScore的新的计算方式

据小编从一些编辑同行了解到的计算方法是：

2016-2019年的发表的文献（特定类型）数作为分母，2016-2019年的发表的这些文献自发表来的所有引用（不限于当年）作为分子。

注：具体详细的计算规则以官方的说明更新为准

而JCR影响因子对应的则是，分母取前两年发表的特定类型文章数，分子取前两年发表的所有文献数在第三年的被引次数。

然后，JCR影响因子基于WOS数据库，CiteScore基于Scopus数据库，两者收录的期刊范围差别也非常大。

所有这些，都导致了两个指标的差异。

不过，今年的JCR影响因了也推迟了，鉴于这两年科技评价方式导向等的变化，JCR影响因子会不会也来个大改版呢？？

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