N_components = min ( n_samples, n_features ) - 1 copy bool, default=True If n_components is not set all components are kept: Parameters n_components int, float or ‘mle’, default=None TruncatedSVD for an alternative with sparse data. Notice that this class does not support sparse input. It can also use the ARPACK implementation of the 2009, depending on the shape of the inputĭata and the number of components to extract. It uses the LAPACK implementation of the full SVD or a randomized truncated The input data is centeredīut not scaled for each feature before applying the SVD. Linear dimensionality reduction using Singular Value Decomposition of theĭata to project it to a lower dimensional space. PCA ( n_components = None, *, copy = True, whiten = False, svd_solver = 'auto', tol = 0.0, iterated_power = 'auto', random_state = None ) ¶
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