A statistical summary of 2013-14 league projections

To complete the look back at the 2013-14 league projections, below is a table that compiles the performance of our goal estimates, and the expected point model to come from that.  The competitions are sorted by the number of teams in the competition, then the points RMSE.  Unless stated by a number next to the country, the domestic competitions are all in the top-flight.

Believe it or not, this was the first time that I’ve put together a league table expectation in a systematic way, and I thank Aaron Nielsen for access to his extensive player statistical database.  It was an interesting experiment to understand the value of forecasts based on squad-level estimates, and the effectiveness and limitations of deterministic forecasts in future league competitions.  I believe that squad forecasts are the way to go, but there’s a limit to what you can observe with statistical data, and of course there exists good old uncertainty.  Hope you found this public examination useful.

  Teams Total Goals Pred Goals Pct Change RMSE Pts RMSE GF RMSE GA RMSE Pos
Switzerland 10 520 459 +13.29% 7.42 10.98 9.44 1.34
Croatia 10 516 458 +12.66% 7.44 11.39 10.69 1.10
Australia 10 371 398 -6.78% 8.14 7.77 7.91 3.16
Austria 10 595 430 +38.37% 11.28 22.68 18.61 2.72
Denmark 12 543 521 +4.22% 11.02 8.96 8.47 3.67
Scotland 12 626 582 +7.56% 11.85 12.14 10.61 2.83
Bulgaria 14 517 515 +0.39% 11.29 9.91 13.96 3.14
Belgium 1 16 646 663 -2.56% 8.45 7.15 9.56 3.48
Ukraine 16 550 592 -7.09% 8.66 9.49 7.78 2.58
Poland 16 634 602 +5.32% 9.80 9.62 6.98 5.82
South Africa 16 531 561 -5.35% 10.13 8.74 6.99 4.11
Hungary 16 662 639 +3.60% 10.50 9.93 7.04 4.36
Russia 16 613 592 +3.55% 10.81 9.78 7.89 4.02
Serbia 16 557 543 +2.58% 11.76 9.23 8.61 6.03
Czech Rep 16 673 642 +4.83% 12.05 11.14 12.87 5.20
Netherlands 18 978 848 +15.33% 6.31 12.50 12.12 2.26
Turkey 18 809 865 -6.47% 10.77 13.67 7.58 5.68
Greece 18 776 689 +12.63% 11.18 11.97 11.75 6.02
Germany 1 18 827 967 +16.93% 12.30 12.85 12.98 5.30
Belgium 2 18 833 738 +12.87% 14.56 13.78 13.90 5.04
Argentina 20 409 430 -4.88% 6.58 7.18 3.41 6.96
France 1 20 937 932 -0.53% 7.84 6.79 8.35 3.13
France 2 20 939 901 +4.22% 9.07 10.62 12.48 5.38
Germany 3 20 953 901 +5.77% 10.21 10.01 10.66 5.43
Germany 2 20 785 825 -4.85% 10.91 10.10 11.31 5.76
England 1 20 1015 1052 +3.65% 10.93 13.33 10.94 3.73
Italy 1 20 1013 1035 +2.17% 11.42 11.30 9.24 4.45
Spain 1 20 1068 1040 -2.62% 13.36 13.85 10.78 5.61
Spain 2 22 1078 1167 -7.63% 11.90 13.11 10.55 8.56
England 3 24 1473 1329 +10.83% 12.61 14.49 11.84 6.12
England 4 24 1291 1407 -8.24% 13.76 10.40 12.82 11.07
England 2 24 1345 1434 +6.62% 14.23 12.91 11.25 6.24
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