private static Dictionary <int, PlayerPerformance> GenerateInitialPlayerPerformance(Dictionary <int, Dictionary <int, Player> > players,
IOrderedEnumerable <Jam> jams,
Dictionary <int, Dictionary <int, JamPlayerEffectiveness> > jpe,
Dictionary <int, Dictionary <int, JamTeamData> > jamData,
Dictionary <int, Team> teams,
Dictionary <int, Bout> bouts,
Dictionary <int, Dictionary <int, List <Penalty> > > penalties,
IList <PenaltyGroup> pgs,
AveragePenaltyCostPerJam avgPenCost,
Dictionary <FoulComparison, float> medians,
Dictionary <int, double> groupPenaltyCostMap,
Dictionary <int, double> jamTotalPortionMap)
{
Dictionary <int, PlayerPerformance> pps = new Dictionary <int, PlayerPerformance>();
foreach (Jam jam in jams)
{
var pe = jpe[jam.ID];
foreach (var eff in pe.Values)
{
// get/set PlayerPerformance object
if (!pps.ContainsKey(eff.PlayerID))
{
pps[eff.PlayerID] = new PlayerPerformance
{
Player = players[eff.PlayerID][eff.TeamID],
Bouts = new List <BoutPerformance>()
};
}
PlayerPerformance curPP = pps[eff.PlayerID];
// get/set BoutPerformance object
Bout bout = bouts[jam.BoutID];
BoutPerformance bp = null;
if (!curPP.Bouts.Any() ||
curPP.Bouts.Last().BoutDate != bout.BoutDate ||
curPP.Bouts.Last().HomeTeamName != teams[bout.HomeTeamID].Name ||
curPP.Bouts.Last().AwayTeamName != teams[bout.AwayTeamID].Name)
{
bp = new BoutPerformance
{
BoutID = bout.ID,
AwayTeamName = teams[bout.AwayTeamID].Name,
HomeTeamName = teams[bout.HomeTeamID].Name,
BoutDate = bout.BoutDate,
Jams = new List <JamPerformance>()
};
curPP.Bouts.Add(bp);
}
else
{
bp = curPP.Bouts.Last();
}
JamTeamData jd = jamData[jam.ID][eff.TeamID];
int penaltyCount = penalties.ContainsKey(jam.ID) && penalties[jam.ID].ContainsKey(eff.PlayerID) ? penalties[jam.ID][eff.PlayerID].Count() : 0;
JamPerformance jp = new JamPerformance
{
BlockerJamPercentage = eff.IsJammer ? 0 : eff.JamPortion,
DeltaPercentile = eff.BaseQuality,
IsFirstHalf = jam.IsFirstHalf,
JamID = jam.ID,
JammerJamPercentage = eff.IsJammer ? eff.JamPortion : 0,
JamNumber = jam.JamNumber,
JamPenalties = penaltyCount,
MedianDelta = medians[jd.FoulComparison],
PenaltyCost = 0,
PointDelta = jd.PointDelta
};
if (jamTotalPortionMap.ContainsKey(jam.ID))
{
jamTotalPortionMap[jam.ID] += eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
else
{
jamTotalPortionMap[jam.ID] = eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
bp.Jams.Add(jp);
}
;
}
foreach (PenaltyGroup pg in pgs)
{
foreach (Penalty p in pg.Penalties)
{
JamPerformance jp = pps[p.PlayerID].Bouts.SelectMany(b => b.Jams).Where(j => j.JamID == p.JamID).First();
jp.PenaltyCost += groupPenaltyCostMap[pg.GroupID];
}
}
Parallel.ForEach(pps.Values, pp =>
{
RollUpPlayerPerformance(avgPenCost, jamTotalPortionMap, pp);
});
return(pps);
}
public IList <PlayerPerformance> GetPlayerPointPerformancesForTeam(int teamID)
{
// pull data
SqlConnection connection = new SqlConnection(_connectionString);
connection.Open();
SqlTransaction transaction = connection.BeginTransaction();
var players = new PlayerGateway(connection, transaction).GetPlayersForTeam(teamID).ToDictionary(p => p.ID);
var jams = new JamGateway(connection, transaction).GetJamsForTeamAfterDate(teamID, STATS_START_DATE).OrderBy(j => j.ID);
var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetJamPlayerEffectivenessForTeam(teamID);
var jdg = new JamDataGateway(connection, transaction);
var jamTeamData = jdg.GetJamDataForTeam(teamID).ToDictionary(jd => jd.JamID);
var jamData = jdg.GetAllJamData().ToDictionary(jd => jd.JamID);
foreach (JamTeamData jtd in jamTeamData.Values)
{
jtd.Year = jamData[jtd.JamID].PlayDate.Year;
}
var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
var penalties = new PenaltyGateway(connection, transaction).GetPenaltiesForTeam(teamID)
.GroupBy(p => p.JamID)
.ToDictionary(
g => g.Key,
g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
var pgs = new PenaltyGroupGateway(connection, transaction).GetPenaltyGroupsForTeamAfterDate(teamID, STATS_START_DATE);
Dictionary <int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
Dictionary <FoulComparison, Dictionary <int, float> > sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
transaction.Commit();
connection.Close();
Dictionary <FoulComparison, float> medians = CalculateMedianScores(sss);
PenaltyCostCalculator ppcCalc = new PenaltyCostCalculator(_connectionString);
Dictionary <int, double> groupPenaltyCostMap = ppcCalc.CalculatePointCostsForTeam(jamTeamData, pgs, boxTimeEstimates, sss);
Dictionary <int, PlayerPerformance> pps = new Dictionary <int, PlayerPerformance>(25);
Dictionary <int, double> jamTotalPortionMap = new Dictionary <int, double>(300);
// we use "jam portions" to divide up the total value of the jam among participating players
// we give jammers an additional multiplier to their jam portions, based on year, to represent their greater impact on team success
foreach (Jam jam in jams)
{
var pe = jpe[jam.ID];
foreach (JamPlayerEffectiveness eff in pe.Values)
{
// get/set PlayerPerformance object
if (!pps.ContainsKey(eff.PlayerID))
{
pps[eff.PlayerID] = new PlayerPerformance
{
Player = players[eff.PlayerID],
Bouts = new List <BoutPerformance>()
};
}
PlayerPerformance curPP = pps[eff.PlayerID];
// get/set BoutPerformance object
Bout bout = bouts[jam.BoutID];
BoutPerformance bp = null;
if (!curPP.Bouts.Any() ||
curPP.Bouts.Last().BoutID != bout.ID)
{
bp = new BoutPerformance
{
BoutID = bout.ID,
AwayTeamName = teams[bout.AwayTeamID].Name,
HomeTeamName = teams[bout.HomeTeamID].Name,
BoutDate = bout.BoutDate,
Jams = new List <JamPerformance>()
};
curPP.Bouts.Add(bp);
}
else
{
bp = curPP.Bouts.Last();
}
JamTeamData jd = jamTeamData[jam.ID];
int penaltyCount = penalties.ContainsKey(jam.ID) && penalties[jam.ID].ContainsKey(eff.PlayerID) ? penalties[jam.ID][eff.PlayerID].Count() : 0;
JamPerformance jp = new JamPerformance
{
BlockerJamPercentage = eff.IsJammer ? 0 : eff.JamPortion,
DeltaPercentile = eff.BaseQuality,
IsFirstHalf = jam.IsFirstHalf,
JamID = jam.ID,
JammerJamPercentage = eff.IsJammer ? eff.JamPortion : 0,
JamNumber = jam.JamNumber,
JamPenalties = penaltyCount,
MedianDelta = medians[jd.FoulComparison],
PenaltyCost = 0,
PointDelta = jd.PointDelta
};
double jammerRatio = bouts[jamBoutMap[jam.ID]].BoutDate.Year == 2019 ? 2.0 : 4.0;
if (jamTotalPortionMap.ContainsKey(jam.ID))
{
jamTotalPortionMap[jam.ID] += eff.IsJammer ? eff.JamPortion * jammerRatio : eff.JamPortion;
}
else
{
jamTotalPortionMap[jam.ID] = eff.IsJammer ? eff.JamPortion * jammerRatio : eff.JamPortion;
}
bp.Jams.Add(jp);
}
}
foreach (PenaltyGroup pg in pgs)
{
foreach (Penalty p in pg.Penalties)
{
if (jams.Any(j => j.ID == p.JamID))
{
JamPerformance jp = pps[p.PlayerID].Bouts.SelectMany(b => b.Jams).Where(j => j.JamID == p.JamID).First();
jp.PenaltyCost += groupPenaltyCostMap[pg.GroupID];
}
}
}
foreach (PlayerPerformance pp in pps.Values)
{
RollUpPlayerPerformance(avgPenCost, jamTotalPortionMap, pp);
}
CalculateTeamAverages(pps, bouts);
foreach (PlayerPerformance pp in pps.Values)
{
pp.BlockerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.BlockerPerformance.PlayerValueVersusTeamAverage);
pp.JammerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.JammerPerformance.PlayerValueVersusTeamAverage);
}
return(pps.Values.ToList());
}
private static Dictionary <int, PlayerPerformance> GeneratePlayerPerformanceIteration(Dictionary <int, PlayerPerformance> previousIteration,
IOrderedEnumerable <Jam> jams,
Dictionary <int, Dictionary <int, JamTeamData> > jamData,
Dictionary <int, double> jamTotalPortionMap,
Dictionary <int, Dictionary <int, JamPlayerEffectiveness> > jpe,
AveragePenaltyCostPerJam avgPenCost)
{
Dictionary <int, PlayerPerformance> pps = new Dictionary <int, PlayerPerformance>();
foreach (Jam jam in jams)
{
var pe = jpe[jam.ID];
var grouped = pe.Values.GroupBy(p => p.TeamID);
var team1Players = grouped.First().Select(p => previousIteration[p.PlayerID]);
var team2Players = grouped.Last().Select(p => previousIteration[p.PlayerID]);
IEnumerable <JamPlayerEffectiveness> jammers = pe.Values.Where(eff => eff.IsJammer);
double team1Score = CalculateExpectedScore(team1Players, jammers, jam.BoutID);
int team1ID = grouped.First().Key;
double team2Score = CalculateExpectedScore(team2Players, jammers, jam.BoutID);
foreach (var eff in pe.Values)
{
var previousPerformance = previousIteration[eff.PlayerID];
// get/set PlayerPerformance object
if (!pps.ContainsKey(eff.PlayerID))
{
pps[eff.PlayerID] = new PlayerPerformance
{
Player = previousPerformance.Player,
Bouts = new List <BoutPerformance>()
};
}
PlayerPerformance curPP = pps[eff.PlayerID];
// get/set BoutPerformance object
var prevBout = previousPerformance.Bouts.First(b => b.BoutID == jam.BoutID);
BoutPerformance bp = null;
if (!curPP.Bouts.Any() ||
curPP.Bouts.Last().BoutID != prevBout.BoutID)
{
bp = new BoutPerformance
{
BoutID = prevBout.BoutID,
AwayTeamName = prevBout.AwayTeamName,
HomeTeamName = prevBout.HomeTeamName,
BoutDate = prevBout.BoutDate,
Jams = new List <JamPerformance>()
};
if (prevBout.BlockerPerformance != null)
{
bp.BlockerPerformance = new RolledUpPerformanceData
{
TotalJamPortions = prevBout.BlockerPerformance.TotalJamPortions,
TotalPenalties = prevBout.BlockerPerformance.TotalPenalties,
TotalPenaltyCost = prevBout.BlockerPerformance.TotalPenaltyCost
};
}
if (prevBout.JammerPerformance != null)
{
bp.JammerPerformance = new RolledUpPerformanceData
{
TotalJamPortions = prevBout.JammerPerformance.TotalJamPortions,
TotalPenalties = prevBout.JammerPerformance.TotalPenalties,
TotalPenaltyCost = prevBout.JammerPerformance.TotalPenaltyCost
};
}
curPP.Bouts.Add(bp);
}
else
{
bp = curPP.Bouts.Last();
}
JamTeamData jd = jamData[jam.ID][eff.TeamID];
JamPerformance prevJamPerformance = prevBout.Jams.First(j => j.JamID == jam.ID);
double pointDifferential = 0;
var playerPerf = prevJamPerformance.JammerJamPercentage > 0 ? previousPerformance.JammerPerformance : previousPerformance.BlockerPerformance;
double playerScore = playerPerf.TotalPointsVersusMedian / playerPerf.TotalJamPortions;
if (curPP.Player.TeamID == team1ID)
{
pointDifferential = jd.PointDelta - team1Score + team2Score + playerScore;
}
else
{
pointDifferential = jd.PointDelta - team2Score + team1Score + playerScore;
}
JamPerformance jp = new JamPerformance
{
BlockerJamPercentage = prevJamPerformance.BlockerJamPercentage,
DeltaPercentile = prevJamPerformance.DeltaPercentile,
IsFirstHalf = prevJamPerformance.IsFirstHalf,
JamID = prevJamPerformance.JamID,
JammerJamPercentage = prevJamPerformance.JammerJamPercentage,
JamNumber = prevJamPerformance.JamNumber,
JamPenalties = prevJamPerformance.JamPenalties,
MedianDelta = prevJamPerformance.MedianDelta,
PenaltyCost = prevJamPerformance.PenaltyCost,
PointDelta = jd.PointDelta,
DeltaPortionVersusMedian = pointDifferential
//PlayerValue
};
bp.Jams.Add(jp);
}
}
Parallel.ForEach(pps.Values, pp =>
{
RollUpIteratedPlayerPerformance(avgPenCost, jamTotalPortionMap, pp);
});
return(pps);
}
public IList <PlayerPerformance> GetPlayerValuePerformancesForTeam(int teamID)
{
// pull data
SqlConnection connection = new SqlConnection(_connectionString);
connection.Open();
SqlTransaction transaction = connection.BeginTransaction();
var players = new PlayerGateway(connection, transaction).GetPlayersForTeam(teamID).ToDictionary(p => p.ID);
var jams = new JamGateway(connection, transaction).GetJamsForTeamAfterDate(teamID, new DateTime(2016, 1, 1)).OrderBy(j => j.ID);
var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetJamPlayerEffectivenessForTeam(teamID);
var jamData = new JamDataGateway(connection, transaction).GetJamDataForTeam(teamID).ToDictionary(jd => jd.JamID);
var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
var penalties = new PenaltyGateway(connection, transaction).GetPenaltiesForTeam(teamID)
.GroupBy(p => p.JamID)
.ToDictionary(
g => g.Key,
g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
var pgs = new PenaltyGroupGateway(connection, transaction).GetPenaltyGroupsForTeam(teamID);
Dictionary <int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
Dictionary <FoulComparison, Dictionary <int, float> > sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
Dictionary <int, double> jte = new JamTeamEffectivenessGateway(connection, transaction).GetJamTeamEffectivenessForTeam(teamID);
AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
transaction.Commit();
connection.Close();
Dictionary <FoulComparison, float> medians = CalculateMedianScores(sss);
PenaltyCostCalculator pcCalc = new PenaltyCostCalculator(_connectionString);
Dictionary <int, double> groupPenaltyCostMap = pcCalc.CalculateValueCostsForTeam(jamData, pgs, boxTimeEstimates, sss, jte);
Dictionary <int, PlayerPerformance> ppMap = new Dictionary <int, PlayerPerformance>(25);
Dictionary <int, double> jamTotalPortionMap = new Dictionary <int, double>(300);
foreach (Jam jam in jams)
{
var pe = jpe[jam.ID];
foreach (JamPlayerEffectiveness eff in pe.Values)
{
// get/set PlayerPerformance object
if (!ppMap.ContainsKey(eff.PlayerID))
{
ppMap[eff.PlayerID] = new PlayerPerformance
{
Player = players[eff.PlayerID],
Bouts = new List <BoutPerformance>()
};
}
PlayerPerformance curPP = ppMap[eff.PlayerID];
// get/set BoutPerformance object
Bout bout = bouts[jam.BoutID];
BoutPerformance bp = null;
if (!curPP.Bouts.Any() ||
curPP.Bouts.Last().BoutDate != bout.BoutDate ||
curPP.Bouts.Last().HomeTeamName != teams[bout.HomeTeamID].Name ||
curPP.Bouts.Last().AwayTeamName != teams[bout.AwayTeamID].Name)
{
bp = new BoutPerformance
{
AwayTeamName = teams[bout.AwayTeamID].Name,
HomeTeamName = teams[bout.HomeTeamID].Name,
BoutDate = bout.BoutDate,
Jams = new List <JamPerformance>()
};
curPP.Bouts.Add(bp);
}
else
{
bp = curPP.Bouts.Last();
}
JamTeamData jd = jamData[jam.ID];
int penaltyCount = penalties.ContainsKey(jam.ID) && penalties[jam.ID].ContainsKey(eff.PlayerID) ? penalties[jam.ID][eff.PlayerID].Count() : 0;
JamPerformance jp = new JamPerformance
{
BlockerJamPercentage = eff.IsJammer ? 0 : eff.JamPortion,
DeltaPercentile = eff.BaseQuality,
IsFirstHalf = jam.IsFirstHalf,
JamID = jam.ID,
JammerJamPercentage = eff.IsJammer ? eff.JamPortion : 0,
JamNumber = jam.JamNumber,
JamPenalties = penaltyCount,
MedianDelta = medians[jd.FoulComparison],
PenaltyCost = 0,
PointDelta = jd.PointDelta
};
if (jamTotalPortionMap.ContainsKey(jam.ID))
{
jamTotalPortionMap[jam.ID] += eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
else
{
jamTotalPortionMap[jam.ID] = eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
}
bp.Jams.Add(jp);
}
}
foreach (PenaltyGroup pg in pgs)
{
foreach (Penalty p in pg.Penalties)
{
JamPerformance jp = ppMap[p.PlayerID].Bouts.SelectMany(b => b.Jams).Where(j => j.JamID == p.JamID).First();
jp.PenaltyCost += groupPenaltyCostMap[pg.GroupID];
}
}
foreach (PlayerPerformance pp in ppMap.Values)
{
pp.BlockerPerformance = new RolledUpPerformanceData();
pp.JammerPerformance = new RolledUpPerformanceData();
foreach (BoutPerformance bp in pp.Bouts)
{
bp.BlockerPerformance = new RolledUpPerformanceData();
bp.JammerPerformance = new RolledUpPerformanceData();
foreach (JamPerformance jp in bp.Jams)
{
double averagePenaltyCost = jp.JammerJamPercentage > 0 ? avgPenCost.JammerValueCost : avgPenCost.BlockerValueCost;
double jamShare = (jp.JammerJamPercentage * 4 + jp.BlockerJamPercentage) / jamTotalPortionMap[jp.JamID];
jp.DeltaPortionVersusMedian = (jp.DeltaPercentile - 0.5) * jamShare;
jp.PlayerValue = jp.DeltaPortionVersusMedian + jp.PenaltyCost - averagePenaltyCost;
var rollUp = jp.JammerJamPercentage > 0 ? bp.JammerPerformance : bp.BlockerPerformance;
rollUp.TotalJamPortions += jp.JammerJamPercentage + jp.BlockerJamPercentage;
rollUp.TotalPenalties += jp.JamPenalties;
rollUp.TotalPenaltyCost += jp.PenaltyCost;
rollUp.TotalPointsVersusMedian += jp.DeltaPortionVersusMedian;
rollUp.TotalPlayerValue += jp.PlayerValue;
}
pp.BlockerPerformance.TotalJamPortions += bp.BlockerPerformance.TotalJamPortions;
pp.BlockerPerformance.TotalPenalties += bp.BlockerPerformance.TotalPenalties;
pp.BlockerPerformance.TotalPenaltyCost += bp.BlockerPerformance.TotalPenaltyCost;
pp.BlockerPerformance.TotalPointsVersusMedian += bp.BlockerPerformance.TotalPointsVersusMedian;
pp.BlockerPerformance.TotalPlayerValue += bp.BlockerPerformance.TotalPlayerValue;
pp.JammerPerformance.TotalJamPortions += bp.JammerPerformance.TotalJamPortions;
pp.JammerPerformance.TotalPenalties += bp.JammerPerformance.TotalPenalties;
pp.JammerPerformance.TotalPenaltyCost += bp.JammerPerformance.TotalPenaltyCost;
pp.JammerPerformance.TotalPointsVersusMedian += bp.JammerPerformance.TotalPointsVersusMedian;
pp.JammerPerformance.TotalPlayerValue += bp.JammerPerformance.TotalPlayerValue;
}
}
return(ppMap.Values.ToList());
}