private void calculateEstimatedRankContributions(XElement element, string value, XElement rankcontrib, int n)
{
RankLog ranklog = RankLog.CreateRankLogFromXml(value);
RankLogStage finalStage = ranklog.FinalRankStage;
XElement result = new XElement("result");
result.Add(new XAttribute("pos", n));
foreach (var feature in finalStage.Features)
{
result.Add(new XAttribute(feature.Name, feature.EstimatedRankContribution()));
}
// add external boost. "Rank" returned with results - "rank_after" from the last stage in RankXML
XElement rank = element.Element("Rank");
double finalRank = double.Parse(rank.Value);
double externalBoost = rank != null ? (Math.Round(finalRank - finalStage.RankAfter, 4)) : 0.0;
double threshold = 1.0E-4;
if (Math.Abs(externalBoost) < threshold)
{
externalBoost = 0;
}
result.Add(new XAttribute("ExternalBoost", externalBoost));
result.Add(new XElement("Rank", Math.Round(finalRank, 3)));
rankcontrib.Add(result);
}
protected override void AddItemProperty(PSObject item, string key, object value)
{
if (key.Equals("RankDetail", StringComparison.InvariantCultureIgnoreCase))
{
var rlog = RankLog.CreateRankLogFromXml((string)value);
RankLogStage stage = rlog.FinalRankStage;
foreach (var feature in stage.Features)
{
item.Properties.Add(
new PSVariableProperty(
new PSVariable(feature.Name, feature.EstimatedRankContribution())));
}
}
else
{
base.AddItemProperty(item, key, value);
}
}
