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public static ComputeDistances ( MetricDB db, IEnumerable |
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| db | MetricDB | |
| sample | IEnumerable |
|
| piv | object | |
| output | List |
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| return | List |
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protected override void SearchExtremes(DynamicSequential idx, List<ItemPair> items, object piv, double quantile, int min_bs, out IResult near, out IResult far, out DynamicSequential.Stats stats)
{
items.Clear();
idx.ComputeDistances (piv, items, out stats);
DynamicSequential.SortByDistance(items);
var n = idx.Count;
min_bs = Math.Max ((int)(quantile * n), min_bs);
near = new Result (min_bs);
far = new Result (min_bs);
idx.AppendKExtremes(near, far, items);
}
protected override void SearchExtremes(DynamicSequential idx, List<ItemPair> items, object piv, double alpha_stddev, int min_bs, out IResult near, out IResult far, out DynamicSequential.Stats stats)
{
items.Clear();
idx.ComputeDistances (piv, items, out stats);
// var radius = stats.min; // stats.stddev * alpha_stddev;
near = new Result (min_bs);
far = new Result (min_bs);
// idx.DropCloseToMean (stats.mean - radius, stats.mean + radius, near, far, items);
// if (near.Count == 0 && far.Count == 0 & min_bs > 0) {
idx.AppendKExtremes(near, far, items);
// }
}
