One Class SVM¶
Unsupervised outlier detection based on support vector machines
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Outputs:
model: model
Model
Configuration:
- kernel
- Specifies the kernel type to be used in the algorithm. It must be one of ‘linear’, ‘poly’, ‘rbf’, ‘sigmoid’, ‘precomputed’ or a callable. If none is given, ‘rbf’ will be used. If a callable is given it is used to precompute the kernel matrix.
- nu
- An upper bound on the fraction of training errors and a lower bound of the fraction of support vectors. Should be in the interval (0, 1]. By default 0.5 will be taken.
- degree
- Degree of the polynomial kernel function (‘poly’). Ignored by all other kernels.
- gamma
- Kernel coefficient for ‘rbf’, ‘poly’ and ‘sigmoid’. If gamma is ‘auto’ then 1/n_features will be used instead.
- coef0
- Independent term in kernel function. It is only significant in ‘poly’ and ‘sigmoid’.
- shrinking
- Whether to use the shrinking heuristic.
- tol
- Tolerance for stopping criterion.
- max_iter
- Hard limit on iterations within solver, or -1 for no limit.
- random_state
- The seed of the pseudo random number generator to use when shuffling the data. If int, random_state is the seed used by the random number generator; If RandomState instance, random_state is the random number generator; If None, the random number generator is the RandomState instance used by np.random.
Some of the docstrings for this module have been automatically extracted from the scikit-learn library and are covered by their respective licenses.