arXMLiv 08.2018 dataset, subject classification frequencies

subject_metadata.md

Subject	Document count
math	334932
astro-ph	223437
cond-mat	212384
cs	132338
hep-ph	130788
hep-th	116499
physics	99881
quant-ph	80888
gr-qc	68642
cond-mat.stat-mech	48636
math.mp	48497
math-ph	48497
cond-mat.mes-hall	47489
cond-mat.str-el	44217
astro-ph.co	42940
nucl-th	40583
stat	35585
cond-mat.mtrl-sci	35122
hep-ex	34327
math.co	33170
astro-ph.sr	33116
astro-ph.ga	30579
math.ag	30090
math.pr	29195
math.ap	29134
astro-ph.he	29122
nlin	27453
cond-mat.supr-con	26286
math.dg	25112
cond-mat.soft	22189
math.it	21991
cs.it	21991
math.nt	21909
hep-lat	20220
cs.lg	19031
math.ds	18745
q-bio	18136
math.fa	17015
cs.cv	16901
nucl-ex	16334
math.oc	15800
physics.optics	15593
cond-mat.dis-nn	15186
stat.ml	15128
math.na	13623
math.gt	13406
math.rt	13260
math.ca	12900
math.gr	12521
physics.atom-ph	12260
cond-mat.quant-gas	12246
math.qa	12207
astro-ph.ep	12119
astro-ph.im	11643
physics.flu-dyn	11123
nlin.cd	10860
physics.soc-ph	10517
cond-mat.other	10498
cs.ai	10102
cs.ds	10070
math.cv	9958
stat.th	9689
math.st	9689
math.ra	9575
physics.comp-ph	8387
stat.me	8381
nlin.si	8270
physics.chem-ph	8225
physics.ins-det	8151
math.oa	7946
cs.cl	7808
math.ac	7656
physics.plasm-ph	7477
math.at	7259
cs.si	7152
q-fin	7112
cs.ni	6993
physics.bio-ph	6796
math.lo	6767
cs.dm	6329
cs.lo	6149
math.mg	6052
cs.cr	5836
cs.dc	5812
nlin.ps	5789
stat.ap	5634
math.sp	5622
cs.sy	5520
math.sg	5429
physics.data-an	5424
physics.gen-ph	5335
cs.cc	5189
q-bio.pe	4905
physics.class-ph	4218
cs.gt	4102
cs.ne	3789
nlin.ao	3672
cs.ro	3546
q-bio.qm	3425
q-bio.nc	3164
cs.cg	3062
cs.ir	3061
math.kt	3055
stat.co	3005
math.gn	2865
physics.acc-ph	2721
cs.se	2718
math.ct	2680
physics.space-ph	2410
cs.db	2338
cs.pl	2331
q-bio.bm	2321
cs.cy	2309
physics.geo-ph	2170
physics.ao-ph	2145
chao-dyn	2140
eess	2121
cs.fl	2022
cs.na	1896
q-bio.mn	1869
physics.hist-ph	1824
cs.hc	1750
q-fin.st	1715
cs.ce	1682
math.ho	1646
math.gm	1530
physics.atm-clus	1475
cs.ma	1467
q-alg	1426
solv-int	1319
eess.sp	1301
physics.ed-ph	1300
alg-geom	1271
cs.sd	1247
physics.med-ph	1242
q-fin.pr	1190
cs.sc	1180
q-fin.gn	1169
cs.pf	1134
cs.mm	1086
q-bio.gn	1065
cs.dl	1033
physics.app-ph	1002
q-bio.cb	1000
physics.pop-ph	950
q-fin.cp	934
nlin.cg	932
q-fin.rm	919
cs.gr	918
cs.ms	915
q-bio.sc	915
q-fin.mf	817
q-fin.tr	790
cs.et	783
q-fin.pm	777
q-bio.to	676
dg-ga	655
patt-sol	589
eess.as	581
cs.ar	559
cmp-lg	536
cs.oh	517
adap-org	466
q-fin.ec	417
funct-an	391
econ	382
stat.ot	380
q-bio.ot	377
econ.em	312
eess.iv	302
mtrl-th	255
cs.os	250
chem-ph	233
comp-gas	155
supr-con	153
atom-ph	117
cs.gl	90
econ.th	41
econ.gn	35
acc-phys	34
plasm-ph	25
ao-sci	13
bayes-an	12

Metadata statistics over the arXMLiv 08.2018 dataset, obtained by using arXiv's OAI-harvested metadata.

Documents may have more than one category label, and specific categories also induce the general label in preprocessing (a document tagged cs.AI will also be marked as cs).