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simonespa/hashing_encoder.py

Created April 17, 2024 09:42
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hashing_encoder.py
from category_encoders import HashingEncoder
N = unique[column]
encoder = HashingEncoder(
cols=[column],
n_components=math.ceil(math.log2(N)), # the number of bits required to encode N elements
hash_method='sha256' # https://docs.python.org/3/library/hashlib.html#constructors
)
df = encoder.fit_transform(df)
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