X : array or sparse (CSR) matrix of shape (n_samples, n_features), or array of shape (n_samples, n_samples)
A feature array, or array of distances between samples if
metric='precomputed'.
eps : float, optional
The maximum distance between two samples for them to be considered as in the same neighborhood.
min_samples : int, optional
The number of samples (or total weight) in a neighborhood for a point to be considered as a core point. This includes the point itself.
metric : string, or callable
The metric to use when calculating distance between instances in a feature array. If metric is a string or callable, it must be one of the options allowed by metrics.pairwise.pairwise_distances for its metric parameter. If metric is “precomputed”, X is assumed to be a distance matrix and must be square.
algorithm : {‘auto’, ‘ball_tree’, ‘kd_tree’, ‘brute’}, optional
The algorithm to be used by the NearestNeighbors module to compute pointwise distances and find nearest neighbors. See NearestNeighbors module documentation for details.
leaf_size : int, optional (default = 30)
Leaf size passed to BallTree or cKDTree. This can affect the speed of the construction and query, as well as the memory required to store the tree. The optimal value depends on the nature of the problem.
p : float, optional
The power of the Minkowski metric to be used to calculate distance between points.
sample_weight : array, shape (n_samples,), optional
Weight of each sample, such that a sample with a weight of at least
min_samplesis by itself a core sample; a sample with negative weight may inhibit its eps-neighbor from being core. Note that weights are absolute, and default to 1.
random_state: numpy.RandomState, optional :
Deprecated and ignored as of version 0.16, will be removed in version 0.18. DBSCAN does not use random initialization.
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