internal static void Reset()
{
mostRecent = null;
}
/// <summary>
/// Generate a random query. No need to pass labelForUnlabeled here, since the random queries are all given labels.
/// Still pass scoreForDegenerateQuery just in case some query gets all labels the same.
/// Scores are not set here.
/// </summary>
/// <param name="priors"></param>
/// <param name="scale"></param>
/// <param name="nScores"></param>
/// <param name="rangen"></param>
/// <param name="nRows"></param>
public Query(float[] priors, double scale, int nScores, int nRows, string queryID, Random rangen)
{
length = nRows;
QueryID = queryID;
QueryRow[] qr = new QueryRow[length];
ftrVectors = new float[length][];
scores = new double[length];
labels = new float[length];
for (int i = 0; i < nRows; ++i)
{
qr[i] = new QueryRow(priors, scale, nScores, rangen);
labels[i] = qr[i].Label;
ftrVectors[i] = qr[i].Features;
}
DCGScorer dcg = new DCGScorer();
FillMaxDCGs(dcg);
}
public QueryRow(float label, float[] features, float labelForUnlabeled)
{
this.label = (label == -1) ? labelForUnlabeled : label;
this.features = features;
previous = mostRecent;
mostRecent = this;
}