public static Clusterer CreateClusterer(CancellationToken cancellationToken, ClusteringSpec clusteringSpec, ReportResults reportResults)
{
var pivotedPropertySet = new PivotedProperties(reportResults.ItemProperties);
pivotedPropertySet = pivotedPropertySet.ChangeSeriesGroups(pivotedPropertySet.CreateSeriesGroups()).ReorderItemProperties();
var clusteredProperties = ClusteredProperties.FromClusteringSpec(clusteringSpec, pivotedPropertySet);
if (!clusteredProperties.RowValues.Any() && !clusteredProperties.ColumnValues.Any())
{
clusteringSpec = ClusteringSpec.GetDefaultClusteringSpec(cancellationToken, reportResults, pivotedPropertySet);
if (clusteringSpec == null)
{
return(null);
}
clusteredProperties = ClusteredProperties.FromClusteringSpec(clusteringSpec, pivotedPropertySet);
}
return(new Clusterer(cancellationToken, reportResults.RowItems, clusteredProperties, ClusterMetricType.FromName(clusteringSpec.DistanceMetric) ?? ClusterMetricType.DEFAULT));
}
