public AssociationsLookup CreateAssociations(SenseInputs senseInputs)
{
var associations = new AssociationsLookup();
foreach (var senseInput in senseInputs)
{
var otherSenseInputs = senseInputs.Where(s => s.Key != senseInput.Key);
var associationsDictionary = otherSenseInputs
.Select(o => new KeyValuePair <string, double>(o.Key, o.Value * senseInput.Value))
.ToDictionary(x => x.Key, x => x.Value);
//var normalisedAssociationsDictionary = mathsService.NormaliseAssociations(new Associations(associationsDictionary));
associations.Add(senseInput.Key, new Associations(associationsDictionary));
}
return(associations);
}
/// <summary>
/// Associations1 will be multiplied by the weightFactor then added to associations2. The result will be normalised.
/// </summary>
/// <param name="associations1"></param>
/// <param name="associations2"></param>
/// <param name="weightFactor"></param>
/// <returns></returns>
public AssociationsLookup AddAssociationLookups(AssociationsLookup associationsLookup1, AssociationsLookup associationsLookup2, double weightFactor)
{
var otherWeightFactor = 1 - weightFactor;
var combinedAssociationsLookup = new AssociationsLookup();
foreach (var associationEntry in associationsLookup1)
{
var key = associationEntry.Key;
var associations = new Associations();
var weightedAssociations1 = associationEntry.Value.Select(x => new KeyValuePair <string, double>(x.Key, x.Value * weightFactor));
var associations2 = associationsLookup2[key];
var combinedAssociations = weightedAssociations1.ToDictionary(x => x.Key, x => x.Value + associations2[x.Key] * otherWeightFactor);
combinedAssociationsLookup.Add(key, new Associations(combinedAssociations));
}
return(combinedAssociationsLookup);
}
