Table 6.

The values of ${\mathit{\chi }}^2/N_{\mathrm{dat}}$ for the global fit and for all the datasets included in the NNPDF3.1 LO, NLO and NNLO PDF determinations. Values obtained using the NNPDF3.0 NLO and NNLO PDFs are also shown: numbers in brackets correspond to data not fitted in NNPDF3.0. Note that NNPDF3.0 values are produced using NNPDF3.1 theory settings, and they are thus somewhat worse than those quoted in Ref. [5]

Dataset	NNPDF3.1			NNPDF3.0
	NNLO	NLO	LO	NNLO	NLO
NMC	1.30	1.35	3.25	1.29	1.36
SLAC	0.75	1.17	3.35	0.66	1.08
BCDMS	1.21	1.17	2.20	1.31	1.21
CHORUS	1.11	1.06	1.16	1.11	1.14
NuTeV dimuon	0.82	0.87	4.75	0.69	0.61
HERA I+II inclusive	1.16	1.14	1.77	1.25	1.20
HERA ${\mathit{\sigma }}_c^{\mathrm{NC}}$	1.45	1.15 ()	1.21	[1.61]	[2.57]
HERA $F_2^b$	1.11	1.08	11.2	[1.13]	[1.12]
DY E866 ${\mathit{\sigma }}_{\mathrm{DY}}^d/{\mathit{\sigma }}_{\mathrm{DY}}^p$	0.41	0.40	1.06	0.47	0.53
DY E886 ${\mathit{\sigma }}^p$	1.43	1.05	0.81	1.69	1.17
DY E605 ${\mathit{\sigma }}^p$	1.21	0.97	0.66	1.09	0.87
CDF Z rap	1.48	1.619	1.54	1.55	1.28
CDF Run II $k_t$ jets	0.87	0.84	1.07	0.82	0.95
D0 Z rap	0.60	0.67	0.65	0.61	0.59
D0 $W\to e\mathit{\nu }$ asy	2.70	1.59	1.75	[2.68]	[4.58]
D0 $W\to \mathit{\mu }\mathit{\nu }$ asy	1.56	1.52	2.16	[2.02]	[1.43]
ATLAS total	1.09	1.36	5.34	1.92	1.98
ATLAS W, Z 7 TeV 2010	0.96	1.04	2.38	1.42	1.39
ATLAS high-mass DY 7 TeV	1.54	1.88	4.05	1.60	2.17
ATLAS low-mass DY 2011	0.90	0.69	2.86	[0.94]	[0.81]
ATLAS W, Z 7 TeV 2011	2.14	3.70	27.2	[8.44]	[7.6]
ATLAS jets 2010 7 TeV	0.94	0.92	1.22	1.12	1.07
ATLAS jets 2.76 TeV	1.03	1.03	1.50	1.31	1.32
ATLAS jets 2011 7 TeV	1.07	1.12	1.59	[1.03]	[1.12]
ATLAS $Z{p}_T$ 8 TeV $(p_T^{ll},M_{ll})$	0.93	1.17	–	[1.05]	[1.28]
ATLAS $Z{p}_T$ 8 TeV $(p_T^{ll},y_{ll})$	0.94	1.77	–	[1.19]	[2.49]
ATLAS ${\mathit{\sigma }}_{tt}^{\mathrm{tot}}$	0.86	1.92	53.2	0.67	1.07
ATLAS $t\overline{t}$ rap	1.45	1.31	1.99	[3.32]	[1.50]
CMS total	1.06	1.20	2.13	1.19	1.33
CMS W asy 840 pb	0.78	0.86	1.55	0.73	0.85
CMS W asy 4.7 fb	1.75	1.77	3.16	1.75	1.82
CMS $W+c$ tot	–	0.54	16.5	–	0.93
CMS $W+c$ ratio	–	1.91	3.21	–	2.09
CMS Drell–Yan 2D 2011	1.27	1.23	2.15	1.20	1.19
CMS W rap 8 TeV	1.01	0.70	4.32	[1.24]	[0.96]
CMS jets 7 TeV 2011	0.84	0.84	0.93	1.06	0.98
CMS jets 2.76 TeV	1.03	1.01	1.09	[1.22]	[1.18]
CMS $Z{p}_T$ 8 TeV $(p_T^{ll},M_{ll})$	1.32	3.65	–	[1.59]	[3.86]
CMS ${\mathit{\sigma }}_{tt}^{\mathrm{tot}}$	0.20	0.59	53.4	0.56	0.10
CMS $t\overline{t}$ rap	0.94	0.96	1.32	[1.15]	[1.01]
LHCb total	1.47	1.62	5.16	2.11	2.67
LHCb Z 940 pb	1.49	1.27	2.51	1.29	0.91
LHCb $Z\to ee$ 2 fb	1.14	1.33	6.34	1.21	2.31
LHCb $W,Z\to \mathit{\mu }$ 7 TeV	1.76	1.60	4.70	[2.59]	[2.36]
LHCb $W,Z\to \mathit{\mu }$ 8 TeV	1.37	1.88	7.41	[2.40]	[3.74]
Total dataset	1.148	1.168	2.238	1.284	1.307