HdbScan.Net 1.0.3

There is a newer version of this package available.
See the version list below for details.

dotnet add package HdbScan.Net --version 1.0.3

NuGet\Install-Package HdbScan.Net -Version 1.0.3

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="HdbScan.Net" Version="1.0.3" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="HdbScan.Net" Version="1.0.3" />
                    

                            Directory.Packages.props

<PackageReference Include="HdbScan.Net" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add HdbScan.Net --version 1.0.3

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: HdbScan.Net, 1.0.3"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#:package HdbScan.Net@1.0.3

#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.

#addin nuget:?package=HdbScan.Net&version=1.0.3
                    

                            Install as a Cake Addin

#tool nuget:?package=HdbScan.Net&version=1.0.3
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

HdbScan.Net

A .NET implementation of HDBSCAN (Hierarchical Density-Based Spatial Clustering of Applications with Noise).

HDBSCAN extends DBSCAN by building a hierarchy of clusterings at all density levels and extracting a flat clustering based on cluster stability. Unlike k-means or GMM, it does not require specifying the number of clusters and can identify noise points.

Installation

dotnet add package HdbScan.Net

Usage

using HdbScan.Net;

// Define your distance metric
Func<double[], double[], double> euclidean = (a, b) =>
{
    var sum = 0.0;
    for (var i = 0; i < a.Length; i++)
    {
        var d = a[i] - b[i];
        sum += d * d;
    }
    return Math.Sqrt(sum);
};

// Cluster your data
var options = new HdbScanOptions { MinClusterSize = 5 };
var model = new HdbScan<double[]>(points, euclidean, options);

// Results
Console.WriteLine($"Clusters found: {model.ClusterCount}");
for (var i = 0; i < model.Labels.Count; i++)
{
    Console.WriteLine($"Point {i}: cluster {model.Labels[i]}, probability {model.Probabilities[i]:F3}");
}

Custom types

HDBSCAN works with any type as long as you provide a distance function:

Func<string, string, double> hammingDistance = (a, b) =>
{
    var dist = 0;
    var len = Math.Min(a.Length, b.Length);
    for (var i = 0; i < len; i++)
        if (a[i] != b[i]) dist++;
    return dist + Math.Abs(a.Length - b.Length);
};

var model = new HdbScan<string>(words, hammingDistance);

Prediction

Store prediction data to classify new points after fitting:

var model = new HdbScan<double[]>(points, euclidean, options, predictionData: true);

var (label, probability) = model.PredictWithProbability(newPoint);

Options

Property	Default	Description
`MinClusterSize`	5	Minimum number of points to form a cluster (>= 2)
`MinSamples`	0 (= MinClusterSize)	Number of neighbors for core point definition
`ClusterSelectionMethod`	`ExcessOfMass`	`ExcessOfMass` for stable clusters, `Leaf` for fine-grained clusters
`AllowSingleCluster`	`false`	Whether to allow all points in a single cluster

Reference

Campello, R.J.G.B., Moulavi, D., Sander, J. (2013). "Density-Based Clustering Based on Hierarchical Density Estimates." PAKDD 2013. Lecture Notes in Computer Science, vol 7819. Springer.

License

MIT

Product	Compatible and additional computed target framework versions.
.NET	net10.0 is compatible. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed.

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

net10.0
- No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version	Downloads	Last Updated
1.0.6	0	3/7/2026
1.0.5	75	3/1/2026
1.0.3	71	3/1/2026
1.0.2	75	2/28/2026
1.0.1	72	2/27/2026
1.0.0	75	2/27/2026