public ExtendedProbabilityTable(ProbabilityTable <T> archetype)
{
double sum = 0;
foreach (T key in archetype.Keys.OrderBy(k => k))
{
double probability = archetype.GetProbability(key);
sum += probability;
ExtentedProbabilityRecord <T> newRecord = new ExtentedProbabilityRecord <T>(key, probability);
_table[key] = newRecord;
}
double cumulative = 0;
foreach (var tableKey in _table.Keys)
{
var record = _table[tableKey];
record.NormalizedProbability = record.Probability / sum;
cumulative += record.NormalizedProbability;
record.CumulativeProbability = cumulative;
}
}
public ExtendedProbabilityTable <T> GetExtendedProbabilityTable <T>(string name)
{
dynamic table;
if (!_extendedTables.TryGetValue(name, out table))
{
dynamic notExtended;
if (!_probabilityTables.TryGetValue(name, out notExtended))
{
throw new ArgumentException("Cannot found probability table by name:" + name);
}
ProbabilityTable <T> archetype = (ProbabilityTable <T>)notExtended;
table = new ExtendedProbabilityTable <T>(archetype);
_extendedTables.Add(name, table);
}
return(table);
}
public void AddProbabilityTable <T>(string name, ProbabilityTable <T> table)
{
_probabilityTables.Add(name, table);
}