API Reference:
- base
- calibration
- cluster
- covariance
- cross_decomposition
- cross_validation
- datasets
- decomposition
- discriminant_analysis
- dummy
- ensemble
- exceptions
- feature_extraction
- feature_selection
- gaussian_process
- grid_search
- isotonic
- kernel_approximation
- kernel_ridge
- lda
- learning_curve
- linear_model
- manifold
- metrics
- mixture
- model_selection
- multiclass
- multioutput
- naive_bayes
- neighbors
- neural_network
- pipeline
- preprocessing
- qda
- random_projection
- semi_supervised
- svm
- tree
- utils