public static Converter <Leaf, SufficientStatistics> DictionaryToLeafMap(Dictionary <string, GaussianStatistics> caseIdToNonMissingValue)
{
return(delegate(Leaf leaf)
{
string name = leaf.CaseName;
if (name == null || !caseIdToNonMissingValue.ContainsKey(name))
{
return GaussianStatistics.GetMissingInstance();
}
else
{
return caseIdToNonMissingValue[name];
}
});
}
//public override Converter<Leaf, SufficientStatistics> CreateTargetSufficientStatisticsMap(Dictionary<string, ISufficientStatistics> caseIdToNonMissingValue)
//{
// return ISufficientStatistics.DictionaryToLeafMap(caseIdToNonMissingValue);
//}
public override Converter <Leaf, SufficientStatistics> CreateAlternativeSufficientStatisticsMap(
Converter <Leaf, SufficientStatistics> predictorDistributionClassFunction,
Converter <Leaf, SufficientStatistics> targetDistributionClassFunction)
{
return(delegate(Leaf leaf)
{
SufficientStatistics predStats = predictorDistributionClassFunction(leaf);
SufficientStatistics targetStats = targetDistributionClassFunction(leaf);
// bail on missing data.
if (predStats.IsMissing() || targetStats.IsMissing())
{
return GaussianStatistics.GetMissingInstance();
}
else
{
return targetStats;
}
});
}
