public ITextRender Report(ITextRender output = null)
{
if (output == null)
{
output = new builderForMarkdown();
}
var scores = items.Select(x => x.score);
output.AppendHeading("Granularity");
var distinct = items.GetDistinctScores();
Int32 dC = distinct.Count();
output.AppendPair("Distinct", dC);
output.AppendPair("Entries", scores.Count());
Double r = (Double)dC.GetRatio(scores.Count());
output.AppendPair("Distinct / Entries", r);
output.AppendHeading("Cumulative histogram");
for (int i = 1; i < 11; i++)
{
Double l_min = (i - 1).GetRatio(10);
Double l_max = i.GetRatio(10);
var bin = scores.Where(x => (x > l_min) && (x < l_max));
Double per = bin.Count().GetRatio(scores.Count());
output.AppendPair("Bin [" + i + "][" + l_max.ToString("F2") + "]", per.ToString("P2"));
}
output.AppendHeading("Descriptive statistics");
DescriptiveStatistics desc = scores.GetStatistics(true);
desc.Describe(output);
output.AppendHeading("Document selection result");
foreach (DocumentSelectResultEntry result in items)
{
output.AppendLine(result.score.ToString("F5") + "\t\t" + result.AssignedID);
}
output.AppendHorizontalLine();
query.Describe(output);
output.AppendHorizontalLine();
return(output);
}
