Friday 29 May 2015

Holyrood 2016 result predictions given current polling.

Obviously, it's more than a bit early for doing projections like this. Having written the algorithm for implementing the Holyrood FPTP/AMR system and applying it 2011 data to check that I was understanding it correctly, the effort to apply current polling to predict the 2016 result was minimal. Take with a few kilograms of salt.

Current polling:

Moving average of latest polls for constituency vote:

Party Vote Share (%)
SNP 50.23%
Labour 24.57%
Conservative 12.58%
Liberal Democrat 5.11%

Moving average of latest polls for regional list vote:

Party Vote Share (%)
SNP 44.19%
Labour 23.26%
Conservative 13.10%
Green 8.75%
Liberal Democrat 5.45%
UKIP 3.16%
Scottish Socialist 1.69%

Scotland Overall Summary:

SNP Labour Conservative Liberal Democrat Green Margo MacDonald UKIP
Constituency Seats 69 (+16) 2 (-13) 1 (-2) 1 (-1) 0 (=) 0 (=) 0 (=)
List Seats 0 (-16) 28 (+6) 15 (+3) 4 (+1) 8 (+6) 0 (-1) 1 (+1)
Total Seats 69 (=) 30 (-7) 16 (+1) 5 (=) 8 (+6) 0 (-1) 1 (+1)

Central Scotland

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 9 (+3) 0 (-3) 0 (=) 0 (=) 0 (=)
List Seats 0 (-3) 6 (+3) 1 (=) 0 (=) 0 (=)
Total Seats 9 (=) 6 (=) 1 (=) 0 (=) 0 (=)

Central Scotland Constituency results

Constituency 2011 Winner 2016 Prediction
Airdrie & Shotts SNP (50.2%) SNP (58.7%)
Coatbridge & Chryston Labour (52.2%) SNP (49.0%)
Cumbernauld & Kilsyth SNP (53.8%) SNP (62.2%)
East Kilbride SNP (48.0%) SNP (56.2%)
Falkirk East SNP (50.8%) SNP (59.1%)
Falkirk West SNP (55.3%) SNP (63.5%)
Hamilton, Larkhall & Stonehouse SNP (48.1%) SNP (56.4%)
Motherwell & Wishaw Labour (43.8%) SNP (49.1%)
Uddingston & Bellshill Labour (46.1%) SNP (51.7%)

Central Scotland List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 46.35% 45.89%
Labour 35.31% 30.80%
Conservative 6.37% 6.66%
Green 2.41% 4.77%
Pensioners 2.48% 2.45%
UKIP 0.54% 1.85%
Liberal Democrat 1.42% 1.47%
Scottish Socialist 0.35% 1.41%
Christian Party 1.36% 1.34%
Socialist Labour 1.06% 1.05%
BNP 0.95% 0.94%
Others 0.81% 0.80%
Independant 0.35% 0.35%
Solidarity 0.24% 0.24%

Lothian

SNP Labour Conservative Liberal Democrat Green Margo MacDonald
Constituency Seats 9 (+1) 0 (-1) 0 (=) 0 (=) 0 (=) 0 (=)
List Seats 0 (=) 3 (=) 2 (=) 0 (=) 2 (+1) 0 (-1)
Total Seats 9 (+1) 3 (-1) 2 (=) 0 (=) 2 (+1) 0 (-1)

Lothian Constituency results

Constituency 2011 Winner 2016 Prediction
Almond Valley SNP (54.3%) SNP (62.5%)
Edinburgh Central SNP (32.7%) SNP (41.3%)
Edinburgh Eastern SNP (47.4%) SNP (55.9%)
Edinburgh Northern & Leith Labour (41.6%) SNP (48.4%)
Edinburgh Pentlands SNP (37.3%) SNP (44.2%)
Edinburgh Southern SNP (29.4%) SNP (37.7%)
Edinburgh Western SNP (35.8%) SNP (45.1%)
Linlithgow SNP (49.8%) SNP (58.0%)
Midlothian North & Musselburgh SNP (47.2%) SNP (55.4%)

Lothian List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 39.18% 38.58%
Labour 24.91% 21.61%
Green 7.59% 14.92%
Conservative 11.66% 12.13%
Liberal Democrat 5.50% 5.66%
UKIP 0.64% 2.19%
Scottish Socialist 0.42% 1.67%
Pensioners 1.14% 1.11%
BNP 0.70% 0.69%
Socialist Labour 0.59% 0.58%
Others 0.44% 0.43%
Christian Party 0.32% 0.32%
Solidarity 0.12% 0.11%
Margo MacDonald 6.79% 0.00%

Highlands and islands

SNP Labour Conservative Liberal Democrat Green UKIP
Constituency Seats 7 (+1) 0 (=) 0 (=) 1 (-1) 0 (=) 0 (=)
List Seats 0 (-3) 2 (=) 2 (=) 1 (+1) 1 (+1) 1 (+1)
Total Seats 7 (-2) 2 (=) 2 (=) 2 (=) 1 (+1) 1 (+1)

Highlands and islands Constituency results

Constituency 2011 Winner 2016 Prediction
Argyll & Bute SNP (50.6%) SNP (58.4%)
Caithness Sutherland & Ross SNP (48.4%) SNP (58.2%)
Inverness & Nairn SNP (51.5%) SNP (59.8%)
Moray SNP (58.8%) SNP (65.2%)
Nah h-Eilanan an Iar SNP (65.3%) SNP (72.6%)
Orkney Islands Liberal Democrat (35.7%) SNP (31.6%)
Shetland Islands Liberal Democrat (47.5%) Liberal Democrat (37.1%)
Skye, Lochaber & Badenoch SNP (46.2%) SNP (56.6%)

Highlands and islands List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 47.53% 43.21%
Labour 14.46% 11.58%
Liberal Democrat 12.14% 11.52%
Conservative 11.64% 11.18%
Green 5.07% 9.20%
UKIP 1.88% 5.92%
Christian Party 1.98% 1.79%
Others 1.93% 1.75%
Pensioners 1.55% 1.40%
Scottish Socialist 0.28% 1.05%
Socialist Labour 0.79% 0.71%
BNP 0.63% 0.57%
Solidarity 0.11% 0.10%
Independant 0.00% 0.00%

North East Scotland

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 10 (=) 0 (=) 0 (=) 0 (=) 0 (=)
List Seats 0 (-1) 2 (-1) 3 (+1) 1 (=) 1 (+1)
Total Seats 10 (-1) 2 (-1) 3 (+1) 1 (=) 1 (+1)

North East Scotland Constituency results

Constituency 2011 Winner 2016 Prediction
Aberdeen Central SNP (40.0%) SNP (48.5%)
Aberdeen Donside SNP (55.3%) SNP (63.3%)
Aberdeen South & North Kincardine SNP (41.7%) SNP (49.9%)
Aberdeenshire East SNP (64.5%) SNP (72.2%)
Aberdeenshire West SNP (42.6%) SNP (51.9%)
Angus North & Mearns SNP (54.8%) SNP (61.8%)
Angus South SNP (58.5%) SNP (64.6%)
Banffshire & Buchan Coast SNP (67.2%) SNP (73.2%)
Dundee City East SNP (64.2%) SNP (71.3%)
Dundee City West SNP (57.6%) SNP (65.8%)

North East Scotland List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 52.71% 49.46%
Conservative 14.11% 13.99%
Labour 16.44% 13.59%
Green 3.90% 7.30%
Liberal Democrat 6.81% 6.67%
UKIP 0.93% 3.01%
Scottish Socialist 0.42% 1.59%
Pensioners 1.66% 1.55%
Christian Party 0.81% 0.76%
BNP 0.72% 0.67%
Socialist Labour 0.55% 0.51%
Independant 0.44% 0.41%
Others 0.42% 0.39%
Solidarity 0.11% 0.10%

West Scotland

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 9 (+3) 1 (-3) 0 (=) 0 (=) 0 (=)
List Seats 0 (-2) 4 (+1) 2 (=) 0 (=) 1 (+1)
Total Seats 9 (+1) 5 (-2) 2 (=) 0 (=) 1 (+1)

West Scotland Constituency results

Constituency 2011 Winner 2016 Prediction
Clydebank & Milngavie SNP (43.3%) SNP (51.9%)
Cunninghame North SNP (52.6%) SNP (60.3%)
Cunninghame South SNP (49.8%) SNP (58.2%)
Dumbarton Labour (44.1%) SNP (46.1%)
Eastwood Labour (39.7%) Labour (34.3%)
Greenock & Inverclyde Labour (43.9%) SNP (50.9%)
Paisley SNP (42.6%) SNP (51.4%)
Renfrewshire North & West SNP (41.9%) SNP (49.4%)
Renfrewshire South Labour (48.1%) SNP (46.6%)
Strathkelvin & Bearsden SNP (42.2%) SNP (50.7%)

West Scotland List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 41.54% 40.12%
Labour 32.77% 27.88%
Conservative 12.75% 13.01%
Green 2.98% 5.74%
Liberal Democrat 3.24% 3.27%
Scottish Socialist 0.62% 2.43%
UKIP 0.71% 2.37%
Pensioners 1.69% 1.63%
Socialist Labour 1.01% 0.98%
Christian Party 0.87% 0.84%
BNP 0.77% 0.74%
Others 0.73% 0.70%
Independant 0.16% 0.16%
Solidarity 0.16% 0.15%

South Scotland

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 7 (+3) 1 (-1) 1 (-2) 0 (=) 0 (=)
List Seats 0 (-4) 3 (+1) 2 (+2) 1 (=) 1 (+1)
Total Seats 7 (-1) 4 (=) 3 (=) 1 (=) 1 (+1)

South Scotland Constituency results

Constituency 2011 Winner 2016 Prediction
Ayr Conservative (38.9%) SNP (41.9%)
Carrick, Cumnock & Doon Valley SNP (46.2%) SNP (54.1%)
Clydesdale SNP (49.9%) SNP (57.6%)
Dumfriesshire Labour (39.6%) Labour (34.3%)
East Lothian Labour (39.0%) SNP (46.5%)
Ettrick, Roxburgh & Berwickshire Conservative (44.9%) Conservative (45.1%)
Galloway & West Dumfries Conservative (36.9%) SNP (40.4%)
Kilmarnock & Irvine Valley SNP (53.2%) SNP (61.2%)
Midlothian South, Tweeddale & Lauderdale SNP (43.5%) SNP (53.6%)

South Scotland List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 40.98% 39.03%
Labour 25.32% 21.24%
Conservative 19.49% 19.61%
Green 3.06% 5.82%
Liberal Democrat 5.41% 5.38%
UKIP 1.16% 3.83%
Pensioners 1.58% 1.50%
Socialist Labour 1.04% 0.99%
Scottish Socialist 0.25% 0.97%
BNP 0.72% 0.69%
Christian Party 0.69% 0.65%
Solidarity 0.29% 0.28%
Independant 0.00% 0.00%
Others 0.00% 0.00%

Glasgow

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 9 (+4) 0 (-4) 0 (=) 0 (=) 0 (=)
List Seats 0 (-2) 5 (+2) 1 (=) 0 (=) 1 (=)
Total Seats 9 (+2) 5 (-2) 1 (=) 0 (=) 1 (=)

Glasgow Constituency results

Constituency 2011 Winner 2016 Prediction
Glasgow Anniesland SNP (43.2%) SNP (51.6%)
Glasgow Cathcart SNP (45.5%) SNP (53.7%)
Glasgow Kelvin SNP (43.3%) SNP (52.0%)
Glasgow Maryhill & Springburn Labour (48.1%) SNP (50.5%)
Glasgow Pollok Labour (47.5%) SNP (53.4%)
Glasgow Provan Labour (52.3%) SNP (50.2%)
Glasgow Shettleston SNP (47.8%) SNP (56.3%)
Glasgow Southside SNP (54.4%) SNP (62.6%)
Rutherglen Labour (46.1%) SNP (47.8%)

Glasgow List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 39.82% 37.74%
Labour 34.99% 29.22%
Green 5.97% 11.28%
Conservative 6.11% 6.12%
Others 4.45% 4.20%
Liberal Democrat 2.55% 2.52%
Scottish Socialist 0.65% 2.51%
UKIP 0.54% 1.76%
Pensioners 1.80% 1.70%
BNP 1.16% 1.10%
Socialist Labour 1.09% 1.03%
Christian Party 0.72% 0.68%
Independant 0.16% 0.15%
Solidarity 0.00% 0.00%

Mid Scot and Fife

SNP Labour Conservative Liberal Democrat Green
Constituency Seats 9 (+1) 0 (-1) 0 (=) 0 (=) 0 (=)
List Seats 0 (-1) 3 (=) 2 (=) 1 (=) 1 (+1)
Total Seats 9 (=) 3 (-1) 2 (=) 1 (=) 1 (+1)

Mid Scot and Fife Constituency results

Constituency 2011 Winner 2016 Prediction
Clackmannanshire & Dunblane SNP (48.3%) SNP (56.5%)
Cowdenbeath Labour (46.5%) SNP (50.1%)
Dunfermline SNP (37.6%) SNP (47.1%)
Kirkcaldy SNP (45.2%) SNP (53.8%)
Mid Fife & Glenrothes SNP (52.3%) SNP (60.3%)
North East Fife SNP (37.2%) SNP (46.0%)
Perthshire North SNP (60.8%) SNP (66.9%)
Perthshire South & Kinross-shire SNP (51.5%) SNP (58.5%)
Stirling SNP (48.9%) SNP (56.7%)

Mid Scot and Fife List Vote share

Party 2011 List vote (%) Predicted List vote (%)
SNP 45.20% 42.66%
Labour 25.03% 20.81%
Conservative 14.12% 14.08%
Green 4.23% 7.96%
Liberal Democrat 5.85% 5.76%
UKIP 1.10% 3.59%
Pensioners 1.59% 1.50%
Scottish Socialist 0.32% 1.24%
Socialist Labour 0.69% 0.64%
BNP 0.67% 0.63%
Independant 0.57% 0.53%
Christian Party 0.30% 0.29%
Others 0.25% 0.23%
Solidarity 0.08% 0.07%

Tuesday 12 May 2015

Next UK Labour leader: What the bookies think

Table of what bookies thinking in aggregate on the chances each candidate has at being next UK Labour Party leader:

Position Candidate Chance implied by odds Change (since 2015-05-11)
1 Chuka Umunna 41.46% +4.87%
2 Andy Burnham 26.95% -1.84%
3 Yvette Cooper 16.09% -1.26%
4 Liz Kendall 15.06% +0.22%
5 Tristram Hunt 11.00% -0.22%
6 David Miliband 3.82% -0.50%
7 Rachel Reeves 3.73% -0.27%
8 Dan Jarvis 3.39% -1.41%
9 Stella Creasey 3.09% -0.54%
10 Mary Creagh 2.60% +0.51%
11 Harriet Harman 2.57% -0.21%
12 Owen Smith 2.52% -0.20%
13 Chris Leslie 2.26% 0.00%
14 Rushanara Ali 2.06% -0.04%
15 Lisa Nandy 2.06% -0.09%
16 Alan Johnson 2.04% +0.20%
- Ivan Lewis 1.96% 0.00%
- Gareth Thomas 1.96% 0.00%
17 Lucy Powell 1.96% 0.00%
- Ian Austin 1.96% 0.00%
- Chris Evans 1.96% 0.00%
18 Jim Murphy 1.88% +0.16%
19 David Lammy 1.87% +0.79%
20 Jon Cruddas 1.84% +0.21%
21 Gloria de Piero 1.82% -0.04%
22 Sadiq Khan 1.72% +0.07%
23 Caroline Flint 1.63% 0.00%
24 Ed Balls 1.57% -0.52%
25 Ben Bradshaw 1.51% -0.31%
- Emma Reynolds 1.49% 0.00%
26 Tom Watson 1.49% -0.20%
26 Chris Bryant 1.49% 0.00%
26 Luciana Berger 1.49% 0.00%
26 Vernon Coaker 1.49% -0.20%
- Pat McFadden 1.49% 0.00%
- John Woodcock 1.49% 0.00%
30 Stephen Kinnock 1.41% 0.00%
31 Michael Dugher 1.40% -0.09%
32 Keir Starmer 1.18% +0.08%
33 Tony Blair 1.06% -0.05%
- Grahame Morris 0.99% 0.00%
- Bridget Phillipson 0.99% 0.00%
- Alan Meale 0.99% 0.00%
34 John McDonnell 0.99% 0.00%
- Barry Gardiner 0.99% 0.00%
- Andrew Gwynne 0.99% 0.00%
- Clive Efford 0.99% 0.00%
34 Dianne Abbott 0.99% -0.07%
34 John Healey 0.99% 0.00%
- Seema Malhotra 0.99% 0.00%
- Keith Vaz 0.99% 0.00%
- Catherine McKinnell 0.99% 0.00%
34 Ian Lavery 0.99% 0.00%
- Tom Blenkinsop 0.99% 0.00%
- Karl Turner 0.99% 0.00%
- Jonathan Reynolds 0.99% 0.00%
34 Alison McGovern 0.99% 0.00%
39 Hilary Benn 0.98% -0.04%
40 Alistair Darling 0.93% -0.30%
41 Steve Reed 0.78% +0.18%
42 Liam Byrne 0.75% -0.02%
43 Angela Eagle 0.75% +0.23%
44 Douglas Alexander 0.68% -0.02%
45 Gordon Brown 0.66% -0.04%
46 James Purnell 0.39% -1.03%
47 Will Straw 0.27% 0.00%

Odds given across various bookmakers (bet365, skybet, totesport, boylesports, betfred, sportingbet, betvictor, paddypower, stanjames, 888sport, ladbrokes, coral, williamhill, winner, spreadex, betfair, betway, titanbet, unibet, bwin, 32red, betdaq, matchbook) are meaned and then inverted to give the rough chance bookies as a gestalt reckon each candidate has.
If an entry is crossed out no bookies are no longer giving odds on the candidate.

Sunday 10 May 2015

Which parties lost seats to which parties in UK2015 General Election?

UK 2015 General Election seat changes

Appraisal of my UK 2015 GE seat predictions vs bookie predictions

Accuracy of seat predictions compared by region:

Region My accuracy Bookie accuracy Hustings accuracy
Whole UK 571/650 (87.85%) 589/650 (90.62%) 557/631 (88.27%)
Scotland 51/59 (86.44%) 55/59 (93.22%) 49/59 (83.05%)
Wales 35/40 (87.50%) 36/40 (90.00%) 35/40 (87.50%)
London 68/73 (93.15%) 66/73 (90.41%) 67/73 (91.78%)
East Midlands 36/46 (78.26%) 39/46 (84.78%) 37/46 (80.43%)
West Midlands 51/59 (86.44%) 55/59 (93.22%) 53/59 (89.83%)
South West 52/55 (94.55%) 46/55 (83.64%) 45/55 (81.82%)
Eastern 51/58 (87.93%) 53/58 (91.38%) 52/58 (89.66%)
North East 27/29 (93.10%) 28/29 (96.55%) 28/29 (96.55%)
South East 78/84 (92.86%) 77/84 (91.67%) 77/84 (91.67%)
North West 61/75 (81.33%) 67/75 (89.33%) 67/75 (89.33%)
Yorkshire and the Humber 45/54 (83.33%) 51/54 (94.44%) 47/53 (88.68%)
Northern Ireland 16/18 (88.89%) 16/18 (88.89%) -

Predictions compared by party:

Party Actual Seats My prediction Bookie prediction Hustings prediction Closest
Alliance Party 0 1 (+1) 0 (0) 1 (+1) Bookies
Conservative 330 283 (-47) 280 (-50) 275 (-55) Me
DUP 8 8 (0) 9 (+1) 8 (0) Me/Hustings
Green 1 3 (+2) 1 (0) 1 (0) Bookies/Hustings
Labour 232 279 (+47) 264 (+32) 282 (+50) Bookies
Liberal Democrat 8 3 (+5) 26 (+18) 19 (+11) Me
Plaid Cymru 3 3 (0) 3 (0) 4 (+1) Me/Bookies
Respect 0 1 (+1) 1 (+1) 0 (0) Hustings
SDLP 3 3 (0) 3 (0) - Draw
SNP 56 50 (-6) 54 (-2) 46 (-10) Bookies
Sinn Fein 4 4 (0) 5 (+1) - Me
Speaker 1 0 (-1) 1 (0) 0 (-1) Bookies
Sylvia Hermon 1 1 (0) 1 (0) - Draw
UKIP 1 10 (+9) 2 (+1) 3 (+2) Bookies
UUP 2 1 (-1) 0 (-2) - Me

Actual Seat change summary:

Party Seats Lost Seats Held Seats Won Total Seats Change
Alliance Party 1 0 0 0 -1
Conservative 10 293 37 330 +27
DUP 1 7 1 8 0
Green 0 1 0 1 0
Labour 49 209 23 232 -26
Liberal Democrat 49 8 0 8 -49
Plaid Cymru 0 3 0 3 0
Respect 1 0 0 0 -1
SDLP 0 3 0 3 0
SNP 0 6 50 56 +50
Sinn Fein 1 4 0 4 -1
Speaker 0 1 0 1 0
Sylvia Hermon 0 1 0 1 0
UKIP 1 1 0 1 -1
UUP 0 0 2 2 +2

Bookie prediction change summary:

Party Seats Lost Seats Held Seats Won Total Seats Change
Alliance Party 1 0 0 0 -1
Conservative 36 267 13 280 -23
DUP 0 8 1 9 +1
Green 0 1 0 1 0
Labour 38 220 44 264 +6
Liberal Democrat 31 26 0 26 -31
Plaid Cymru 0 3 0 3 0
Respect 0 1 0 1 0
SDLP 0 3 0 3 0
SNP 0 6 48 54 +48
Sinn Fein 0 5 0 5 0
Speaker 0 1 0 1 0
Sylvia Hermon 0 1 0 1 0
UKIP 1 1 1 2 0

My predicted seat change summary:

Party Seats Lost Seats Held Seats Won Total Seats Change
Alliance Party 0 1 0 1 0
Conservative 50 253 30 283 -20
DUP 0 8 0 8 0
Green 0 1 2 3 +2
Labour 38 220 59 279 +21
Liberal Democrat 54 3 0 3 -54
Plaid Cymru 1 2 1 3 0
Respect 0 1 0 1 0
SDLP 0 3 0 3 0
SNP 0 6 44 50 +44
Sinn Fein 1 4 0 4 -1
Speaker 1 0 0 0 -1
Sylvia Hermon 0 1 0 1 0
UKIP 0 2 8 10 +8
UUP 0 0 1 1 +1