:: DeveloperApi :: Trait for transformation of a vector
Chi Squared selector model.
Outputs the Hadamard product (i.e., the element-wise product) of each input vector with a provided "weight" vector.
Maps a sequence of terms to their term frequencies using the hashing trick.
Inverse document frequency (IDF).
Document frequency aggregator.
Represents an IDF model that can transform term frequency vectors.
Normalizes samples individually to unit L^p^ norm
A feature transformer that projects vectors to a low-dimensional space using PCA.
Model fitted by
Standardizes features by removing the mean and scaling to unit std using column summary statistics on the samples in the training set.
Represents a StandardScaler model that can transform vectors.
Entry in vocabulary