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Python Machine Learning - Second Edition by Vahid Mirjalili, Sebastian Raschka

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Locating regions of high density via DBSCAN

Although we can't cover the vast amount of different clustering algorithms in this chapter, let's at least introduce one more approach to clustering: Density-based Spatial Clustering of Applications with Noise (DBSCAN), which does not make assumptions about spherical clusters like k-means, nor does it partition the dataset into hierarchies that require a manual cut-off point. As its name implies, density-based clustering assigns cluster labels based on dense regions of points. In DBSCAN, the notion of density is defined as the number of points within a specified radius Locating regions of high density via DBSCAN.

According to the DBSCAN algorithm, ...

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