Tracking and evaluating the 2015 Greece election polls

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O
1	How did the polls and exit polls do?												Total off, by:	Average off, by:
2				SYRIZA	ND	XA	Potami	KKE	ANEL	PASOK	KIDISO	Others
3	Actual results (99.8% reporting)			36.3	27.8	6.3	6.1	5.5	4.8	4.7	2.5	6.0
4
5	Average of exit polls			37.1	26.4	6.6	6.6	5.4	4.2	4.8	2.7	6.4			Average of exit polls came closer to result than all but one of the individual exit polls
6			Too high/low by:	0.8	-1.4	0.3	0.5	-0.1	-0.6	0.1	0.2	0.4	4.4	0.5
7	Exit poll by pollster
8	21:30	Singular Logic		36.5	27.7	6.3	5.9	5.6	4.7	4.8		8.5
9			Too high/low by:	0.2	-0.1	0.0	-0.2	0.1	-0.1	0.1	-2.5	2.5	5.8	0.6
10	20:30	Alco / GPO / Marc / Metron / MRB		37.0	27.0	6.5	6.5	5.5	4.5	4.7	2.7	5.6
11			Too high/low by:	0.7	-0.8	0.2	0.4	0.0	-0.3	0.0	0.2	-0.4	3.0	0.3
12	19:00	Palmos Analysis		38.5	25.8	6.8	6.6	5.3	4.6	4	2.5	5.9
13			Too high/low by:	2.2	-2.0	0.5	0.5	-0.2	-0.2	-0.7	0.0	-0.1	6.4	0.7
14	19:00	PAMAK		37.5	25.5	7	7.5	6	3.5	5	2.5	5.5
15			Too high/low by:	1.2	-2.3	0.7	1.4	0.5	-1.3	0.3	0.0	-0.5	8.2	0.9
16	19:00	Alco / GPO / Marc / Metron / MRB		37.5	25	7.2	7.2	5.2	4	4.7	2.7	6
17			Too high/low by:	1.2	-2.8	0.9	1.1	-0.3	-0.8	0.0	0.2	0.0	7.3	0.8
18	19:00	Pulse RC		37.5	27.5	6	6.5	5	4	5.5	3	5
19			Too high/low by:	1.2	-0.3	-0.3	0.4	-0.5	-0.8	0.8	0.5	-1.0	5.8	0.6
20	19:00	Kapa Research		35.5	26.5	6.5	6	5.5	4	5	2.7	8.3
21			Too high/low by:	-0.8	-1.3	0.2	-0.1	0.0	-0.8	0.3	0.2	2.3	6.0	0.7
22
23	Average of last pre-election poll from each pollster			35.7	29.6	6.2	6.7	5.3	3.7	5.1	2.6	5.2			Average of polls came closer to result than any single individual poll
24			Too high/low by:	-0.6	1.8	-0.1	0.6	-0.2	-1.1	0.4	0.1	-0.8	5.7	0.6
25	Last poll by pollster														Polls understimated every anti-bailout party, overestimated every pro-bailout party
26	23 Jan	1/23/2015	GPO	37.0	29.6	5.6	5.5	5.4	3.9	5.5	3.2	4.3
27			Too high/low by:	0.7	1.8	-0.7	-0.6	-0.1	-0.9	0.8	0.7	-1.7	8.0	0.9
28	23 Jan	1/23/2015	MRB	35.9	30.0	6.3	7.5	5.2	3.7	4.6	2.8	4.0
29			Too high/low by:	-0.4	2.2	0.0	1.4	-0.3	-1.1	-0.1	0.3	-2.0	7.8	0.9
30	22-23 Jan	1/23/2015	Interview	36.6	29.9	6.7	6.1	4.7	2.7	4.7	1.9	6.7
31			Too high/low by:	0.3	2.1	0.4	0.0	-0.8	-2.1	0.0	-0.6	0.7	7.0	0.8
32	22-23 Jan	1/23/2015	Kapa Research	35.5	32.3	6.1	5.5	5.0	2.9	5.3	2.8	4.6
33			Too high/low by:	-0.8	4.5	-0.2	-0.6	-0.5	-1.9	0.6	0.3	-1.4	10.8	1.2
34	21-23 Jan	1/22/2015	PaMak	36.0	28.5	6.5	7.5	6.0	4.0	5.5	1.5	4.5
35			Too high/low by:	-0.3	0.7	0.2	1.4	0.5	-0.8	0.8	-1.0	-1.5	7.2	0.8
36	21-23 Jan	1/22/2015	Alco	37.6	30.0	6.2	6.2	4.2	4.1	5.1	2.6	4.0
37			Too high/low by:	1.3	2.2	-0.1	0.1	-1.3	-0.7	0.4	0.1	-2.0	8.2	0.9
38	21-23 Jan	1/22/2015	Palmos Analysis	36.5	25.5	6.5	7.5	6.0	4.0	4.5		9.5
39			Too high/low by:	0.2	-2.3	0.2	1.4	0.5	-0.8	-0.2		1.0	6.6	0.7
40	20-23 Jan	1/22/2015	Public Issue	35.0	29.0	6.5	7.5	6.0	3.5	5.0	2.5	5.0
41			Too high/low by:	-1.3	1.2	0.2	1.4	0.5	-1.3	0.3	0.0	-1.0	7.2	0.8
42	21-22 Jan	1/22/2015	Pulse RC	36.0	30.5	6.5	7.0	5.0	4.0	6.0	3.0	2.0
43			Too high/low by:	-0.3	2.7	0.2	0.9	-0.5	-0.8	1.3	0.5	-4.0	11.2	1.2
44	19-23 Jan	1/22/2015	Metron Analysis	36.5	30.0	6.0	7.0	5.0	3.5	4.5	2.5	5.0
45			Too high/low by:	0.2	2.2	-0.3	0.9	-0.5	-1.3	-0.2	0.0	-1.0	6.6	0.7
46	20-21 Jan	1/21/2015	Rass	34.5	29.2	5.6	7.0	5.9	4.2	4.7	2.8	6.1
47			Too high/low by:	-1.8	1.4	-0.7	0.9	0.4	-0.6	0.0	0.3	0.1	6.2	0.7
48	19-21 Jan	1/20/2015	Marc	36.8	28.7	6.9	7.0	4.9	3.4	4.4	2.6	5.3
49			Too high/low by:	0.5	0.9	0.6	0.9	-0.6	-1.4	-0.3	0.1	-0.7	6.0	0.7
50	19-21 Jan	1/20/2015	Metrisi	34.7	32.5	5.8	5.7	4.6	2.9	5.3	2.6	5.9
51			Too high/low by:	-1.6	4.7	-0.5	-0.4	-0.9	-1.9	0.6	0.1	-0.1	10.8	1.2
52	17-22 Jan	1/20/2015	Epaminondas Panas	33.9	31.0	6.1	5.8	5.0	4.3	6.0	3.0	4.9
53			Too high/low by:	-2.4	3.2	-0.2	-0.3	-0.5	-0.5	1.3	0.5	-1.1	10.0	1.1
54	19-20 Jan	1/20/2015	Pro Rata	36.0	27.5	6.5	7.5	6.0	4.0	5.5	2.0	5.0
55			Too high/low by:	-0.3	-0.3	0.2	1.4	0.5	-0.8	0.8	-0.5	-1.0	5.8	0.6
56	18-20 Jan	1/19/2015	E-Voice	33.3	29.6	6.1	6.1	6	4.3	5.1	2.9	6.6
57				-3.0	1.8	-0.2	0.0	0.5	-0.5	0.4	0.4	0.6	7.4	0.8
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