Extracting, transforming and selecting features

Extracting, transforming and selecting features
Extraction: Extracting features from “raw” data
​TF-IDF​
​Word2Vec​
​CountVectorizer​
​FeatureHasher​
Transformation: Scaling, converting, or modifying features
​Tokenizer 
​StopWordsRemover ​
​n-gram​
​Binarizer​
​PCA​
​PolynomialExpansion​
​Discrete Cosine Transform (DCT)​
​StringIndexer​
​IndexToString​
​OneHotEncoder (Deprecated since 2.3.0)
​OneHotEncoderEstimator​
​VectorIndexer​
​Interaction​
​Normalizer​
​StandardScaler​
​MinMaxScaler​
​MaxAbsScaler​
​Bucketizer​
​ElementwiseProduct​
​SQLTransformer​
​VectorAssembler​
​VectorSizeHint​
​QuantileDiscretizer​
​Imputer​
Selection: Selecting a subset from a larger set of features
​VectorSlicer​
​ChiSqSelector​
​RFormula​
​Locality Sensitive Hashing 
​MinHash for Jaccard Distance​

Transformer/Estimator Parameters

TF-IDF

Last modified 3yr ago