public void Add(Statline statline)
{
_db.Insert(new StatlineDTO
{
Date = statline.Date,
FaceoffWinPercentage = statline.FaceoffWinPercentage,
GamesPlayed = statline.GamesPlayed,
GoalsAgainst = statline.GoalsAgainst,
GoalsAgainstPerGame = statline.GoalsAgainstPerGame,
GoalsFor = statline.GoalsFor,
GoalsForPerGame = statline.GoalsForPerGame,
Points = statline.Points,
Losses = statline.Losses,
Wins = statline.Wins,
OvertimeLosses = statline.OvertimeLosses,
RegularPlusOvertimeWins = statline.RegularPlusOvertimeWins,
PowerPlayPercentage = statline.PowerPlayPercentage,
PenaltyKillPercentage = statline.PenaltyKillPercentage,
PointPercentage = statline.PointPercentage,
SeasonId = statline.SeasonId,
ShotsForPerGame = statline.ShotsForPerGame,
ShotsAgainstPerGame = statline.ShotsAgainstPerGame,
Team = (int)statline.Team,
});
}
/// <summary>
/// Discover what is relevant by retroactively predicting and measuring, rather than using correlation
/// </summary>
private static void CrystalBall()
{
var lastGames = _gameRepository.GetLastResultedGames(100);
var predictions = new List<Prediction>();
var homeAwayPredictions = new List<Prediction>();
var positiveStats = new Statline().PositiveStats;
var negativeStats = new Statline().NegativeStats;
foreach (var game in lastGames)
{
// get team statlines for date before game date
var gameStatlines = _statlineRepository.GetStatlinesForGame(game);
Game game1 = game;
var home = gameStatlines.Single(s => s.Team == game1.HomeTeam);
var away = gameStatlines.Single(s => s.Team == game1.AwayTeam);
var actualWinner = game1.HomeScore > game1.AwayScore ? home.Team : away.Team;
// REVISIT: Extend variables to have positive/negative. Write a comparison function that checks these
foreach (var variable in positiveStats)
{
predictions.Add(new Prediction
{
GameId = game.Id,
PredictedWinner = home.GetByName(variable.Name) > away.GetByName(variable.Name) ? home.Team : away.Team,
ActualWinner = actualWinner,
});
}
foreach (var variable in negativeStats)
{
predictions.Add(new Prediction
{
GameId = game.Id,
PredictedWinner = home.GetByName(variable.Name) < away.GetByName(variable.Name) ? home.Team : away.Team,
ActualWinner = actualWinner,
});
}
var homeAwayPrediction = new Prediction
{
GameId = game.Id,
PredictedWinner = home.HomeWins > away.AwayWins ? home.Team : away.Team,
ActualWinner = actualWinner,
};
predictions.Add(homeAwayPrediction);
homeAwayPredictions.Add(homeAwayPrediction);
}
Console.WriteLine("Crystal ball performance: {0}/{1} = {2}%",
predictions.Count(p => p.PredictedWinner == p.ActualWinner),
predictions.Count,
Math.Round((double) (predictions.Count(p => p.PredictedWinner == p.ActualWinner) / predictions.Count * 100), 2)
);
Console.WriteLine("Crystal ball home & away performance: {0}/{1} = {2}%",
homeAwayPredictions.Count(p => p.PredictedWinner == p.ActualWinner),
homeAwayPredictions.Count,
Math.Round((double)(homeAwayPredictions.Count(p => p.PredictedWinner == p.ActualWinner) / homeAwayPredictions.Count * 100), 2)
);
}
public void Update(Statline statline)
{
var dto = _db.SingleOrDefault<StatlineDTO>("where Team = @0 and Date = @1", (int)statline.Team, statline.Date);
if (dto != null)
{
dto.Date = statline.Date;
dto.FaceoffWinPercentage = statline.FaceoffWinPercentage;
dto.GamesPlayed = statline.GamesPlayed;
dto.GoalsAgainst = statline.GoalsAgainst;
dto.GoalsAgainstPerGame = statline.GoalsAgainstPerGame;
dto.GoalsFor = statline.GoalsFor;
dto.GoalsForPerGame = statline.GoalsForPerGame;
dto.Points = statline.Points;
dto.Losses = statline.Losses;
dto.Wins = statline.Wins;
dto.OvertimeLosses = statline.OvertimeLosses;
dto.RegularPlusOvertimeWins = statline.RegularPlusOvertimeWins;
dto.PowerPlayPercentage = statline.PowerPlayPercentage;
dto.PenaltyKillPercentage = statline.PenaltyKillPercentage;
dto.PointPercentage = statline.PointPercentage;
dto.SeasonId = statline.SeasonId;
dto.ShotsForPerGame = statline.ShotsForPerGame;
dto.ShotsAgainstPerGame = statline.ShotsAgainstPerGame;
dto.Team = (int) statline.Team;
// REVISIT: Turn these fields into nullable fields
if (statline.Rank > 0)
{
dto.Rank = statline.Rank;
dto.PlusMinus = statline.PlusMinus;
dto.HomeWins = statline.HomeWins;
dto.HomeLosses = statline.HomeLosses;
dto.HomeOvertimeLosses = statline.HomeOvertimeLosses;
dto.AwayWins = statline.AwayWins;
dto.AwayLosses = statline.AwayLosses;
dto.AwayOvertimeLosses = statline.AwayOvertimeLosses;
dto.ShootoutWins = statline.ShootoutWins;
dto.ShootoutLosses = statline.ShootoutLosses;
dto.WinsInLast10 = statline.WinsInLast10;
dto.LossesInLast10 = statline.LossesInLast10;
dto.OvertimeLossesInLast10 = statline.OvertimeLossesInLast10;
dto.StreakType = (int) statline.StreakType;
dto.StreakLength = statline.StreakLength;
}
_db.Save(dto);
}
}