1.One Hot Encoding
 
 2.Count Or Frequency Encoding
 
 3.Ordinal encoding,Monotonic ordinal encoding,Target Guided Ordinal Encoding,Target Guided Mean Encoding
 
 4.Target encoding / Mean encoding
 
 5.Probability Ratio Encoding
 
 6.label encoding  or .cat.codes
 
 7.probability ratio encoding
 
 8.woe(Weight_of_evidence)
 
 9.one hot encoding with multi category (keep most frequently repeated only) (One hot encoding of top categories)
 
 10.feature hashing 
 
 11.sparse csr matrix
 
 12.entity embeddings
 
 13.binary encoding
 
 14.Rare label encoding
 
 15.Leave-one-out(Loo) encoding

 16.hash encoding
 
 17.dummy encoding
 
 18.Helmert Encoding,Backward Difference Encoding,James-Stein Encoding,M-estimator Encoding,Thermometer Encoder,Bayesian Encoders,Effect Encoding

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